Electromagnetic induction
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Electromagnetic Induction. Voltmeter. -. +. Stationary. N. N S. Electromagnetic Induction. Voltmeter. -. +. Magnet is moved towards Coil. N. N S. Electromagnetic Induction. Voltmeter. -. +. Magnet moved towards Coil. N.

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Electromagnetic Induction

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Electromagnetic induction

Electromagnetic Induction

Voltmeter

-

+

Stationary

N

N S


Electromagnetic induction1

Electromagnetic Induction

Voltmeter

-

+

Magnet is moved towards Coil

N

N S


Electromagnetic induction2

Electromagnetic Induction

Voltmeter

-

+

Magnet moved towards Coil

N

N S

A current is generated that Induces a magnetic field that opposes the

increase in magnetic field lines directed to west by the north pole of the bar magnet.


Electromagnetic induction3

Electromagnetic Induction

Voltmeter

An Emf is induced. - A voltage or potential difference is

Induced.

-

+

Magnet moved towards Coil

N

N S

A current is generated that Induces a magnetic field that opposes the

increase in magnetic field lines directed to west by the north pole of the bar magnet.


Electromagnetic induction4

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

field

Moved towards Coil

N

N S

A current is generated that Induces a magnetic field that opposes the

increase in magnetic field lines directed to west by the north pole of the bar magnet.


Electromagnetic induction5

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved towards Coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

A current is generated that Induces a magnetic field that opposes the

increase in magnetic field lines directed to west by the north pole of the bar magnet.


Electromagnetic induction6

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved towards Coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

A current is generated that Induces a magnetic field that opposes the

increase in magnetic field lines directed to west by the north pole of the bar magnet.


Electromagnetic induction7

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved towards Coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

Bulb lights

A current is generated that Induces a magnetic field that opposes the

increase in magnetic field lines directed to west by the north pole of the bar magnet.


Electromagnetic induction8

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved towards Coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

Bulb lights

A current is generated that Induces a magnetic field that opposes the

increase in magnetic field lines directed to west by the north pole of the bar magnet.


Electromagnetic induction9

Electromagnetic Induction

Voltmeter

-

+

Stationary

N

N S


Electromagnetic induction10

Electromagnetic Induction

Voltmeter

-

+

Magnet is away from Coil

N

N S


Electromagnetic induction11

Electromagnetic Induction

Voltmeter

-

+

Magnet moved towards Coil

N

N S

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet

moved to the right


Electromagnetic induction12

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

Magnet moved away from coil

N

N S

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet moved east


Electromagnetic induction13

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

field

Moved away from Coil

N

N S

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet moved east


Electromagnetic induction14

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved away from coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet moved east.


Electromagnetic induction15

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved away from Coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet moved east.


Electromagnetic induction16

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved away from coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet moved east.


Electromagnetic induction17

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved away from coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

Bulb

Lights

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet moved east.


Electromagnetic induction18

Electromagnetic Induction

Voltmeter

An Emf is induced.

-

+

A current is induced in

a direction consistent

with the induced magnetic

Field.

Moved away from Coil

Thumb -Current

Curled Fingers-

Magnetic Field

N

N S

Bulb

Lights

Induced magnetic field opposes the decrease in magnetic

field lines directed to west by the north pole of the bar magnet moved east.


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Stationary

.

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

Current is induced that

creates magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

Current is induced that

creates magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Decrease of field lines on left side of moving bar

Voltmeter

Emf is induced

-

+

Moved to left

Current is induced that

creates magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

Current is induced that

creates magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

Current is induced that

creates magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

The current that is induced

creates a magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

The current that is induced

creates a magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

The current that is induced

creates a magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to left

The current that is induced

creates a magnetic field

which

opposes

decrease

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

+ +

+ + + + + + + + + +

Decrease of field lines on left side of moving bar

Bulb Lights

Induced magnetic field opposes decrease in magnetic field lines


Electromagnetic induction

Voltmeter

-

+

Stationary

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +


Electromagnetic induction

Voltmeter

-

+

Moved to right

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar


Electromagnetic induction

Voltmeter

-

+

Moved to right

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

Voltmeter

-

+

Moved to right

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to right

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to right

Current is induced that

creates magnetic field

which

opposes

increase

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to right

Current is induced that

creates magnetic field

which

opposes

increase

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to right

Current is induced that

creates magnetic field

which

opposes

increase

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to right

Current is induced that

creates magnetic field

which

opposes

increase

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Bulb lights

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

Voltmeter

Emf is induced

-

+

Moved to right

Current is induced that

creates magnetic field

which

opposes

increase

in magnetic

field lines into

the paper.

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

+ + + + + + + + + +

increase of the field lines into the paper on left side of moving bar

Bulb lights

Induced magnetic field opposes increase in magnetic field lines


Electromagnetic induction

  • Stationary

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Electromagnetic induction

  • Pushed in

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Electromagnetic induction

  • Pushed in

  • Decrease in the number of field lines

    Into the paper contained ine the loop

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Electromagnetic induction

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Electromagnetic induction

  • Induced current is clockwise

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Electromagnetic induction

  • Induced current is clockwise

  • Induced current magnetic field opposes

    decrease in the field lines into the paper

+ + + + + + + + + + + + + +

+ +

+ + + + + + + + + + + + + +

+ +

+ + + + + + + + + + + + + +

+ +

+ + + + + + + + + + + + + +


Electromagnetic induction

  • Wire loop stretched out

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Electromagnetic induction

  • Wire loop stretched out

  • There is an increase in the field lines into the paper inside the loop

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Electromagnetic induction

  • Wire loop stretched out

  • There is an increase in the field lines into the paper inside the loop

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Wire loops

Wire loops

  • Induced current produces magnetic field lines that oppose the increase in the number of field lines ino the paper

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Wire loops1

Wire loops

  • Induced current produces magnetic field lines that oppose the increase in the number of field lines into the paper

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +

+ + + + + + + + + + + + + +


Formula associated with the production of an emf

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA

  • t

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf1

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA

  • t

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf2

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux = magnetic change

  • t t time time

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf3

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux = magnetic change

  • t t time time

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf4

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t time time

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf5

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf6

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf7

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf8

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf9

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf10

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • Dimension Analysis – Unit Analysis

  • e = N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • s


Formula associated with the production of an emf11

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • B strength s


Formula associated with the production of an emf12

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • B strength Area s


Formula associated with the production of an emf13

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m = J = J = J = volt

  • m A s A s A s C s C

  • B strength Area Time s


Formula associated with the production of an emf14

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m= J = J = J = volt

  • m A s A s A s C s C

  • B strength Area Time s


Formula associated with the production of an emf15

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m = J =J = J = volt

  • m A s A s A sC s C

  • B strength Area Time s


Formula associated with the production of an emf16

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m = J =J= J = volt

  • m A s A s A sC s C

  • B strength Area Time s s


Formula associated with the production of an emf17

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m = J =J = J = volt

  • m A s A s A sC sC

  • B strength Area Time s s


Formula associated with the production of an emf18

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • B = magnetic field strength in Tesla = 1 N

  • m A

  • A = area = m2

  • t = s

  • e= N m2 = N m = J =J = J =volt

  • m A s A s A sC sC

  • B strength Area Time s s


Formula associated with the production of an emf19

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • A = l x l

  • e = D B l x l = DB l x l = D B l V

  • t t

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x


Formula associated with the production of an emf20

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • A = l x l

  • e = D B l x l = DB l x l = D B l V

  • t t

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x


Formula associated with the production of an emf21

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • A = l x l

  • e = D B l x l = DB l x l = D B l V

  • t t

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x


Formula associated with the production of an emf22

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • A = l x l

  • e = D B l x l = DB l x l = D B l V

  • t t

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x


Formula associated with the production of an emf23

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • A = l x l

  • e = D B l x l =DB l x l =D B l V

  • t t

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x


Formula associated with the production of an emf24

Formula associated with the production of an emf

  • emf = potential difference generated

    measured in volts

  • e=D BA or Fm = magnetic flux =magnetic change

  • t t timetime

  • A = l x l

  • e = D B l x l =DB l x l =D B l V

  • t t

x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x


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