Lab 1 Breadboard and Measurement Techniques

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# Lab 1 Breadboard and Measurement Techniques - PowerPoint PPT Presentation

Lab 1 Breadboard and Measurement Techniques. Tom Rebold. Calculate the current in this circuit using Ohm’s Law. 3 W. I. 6V. Ohm’s Law, Including Power. Reproduced by permission of Tony van Roon, 2002 http://www.uoguelph.ca/~antoon. How Many Watts dissipated by Resistor?. 300 W. 2A.

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## Lab 1 Breadboard and Measurement Techniques

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### Lab 1 Breadboard and Measurement Techniques

Tom Rebold

Ohm’s Law, Including Power

Reproduced by permission of Tony van Roon, 2002http://www.uoguelph.ca/~antoon

Series Circuits
• One current path, therefore the current is the same everywhere
• Total resistance is the sum of the individual resistances
Parallel Circuits
• More than one current path
• Total current is the sum of the individual currents

Vin (6 V)

Vss (Ground)

Each row is

Connected

Lab--A Simple Circuit

Vin (6 V)

Vss (Ground)

Each row is

Connected

A Series Circuit

Vin (6 V)

Vss (Ground)

Lab--Measure Volts in Parallel

Because the voltmeter is placed in parallel with the circuit element, you do not need to physically alter your circuit in order to measure voltage.

Measure Voltage in Parallel

Vin (6 V)

Vss (Ground)

V

Measure Current in Series

You must physically modify your circuit:

1.Create a gap in the segment where you want to measure current.

2. Reconnect the gap using your ammeter as a jumper wire

Measure Current in Series

Vin (6 V)

Vss (Ground)

A

Caution!!!

If you measure Amps

in parallel, you can

damage the meter

Measure Resistance out of circuit

Select the ohms mode, remove the resistor to be measured from your circuit, and place the ohmmeter leads across the resistor leads. It is not OK to use your fingers to do this (your body resistance will change result!)

Web References
• Learn Electronics Tutorials and Information Pageshttp://www.twysted-pair.com/
• Electronics Tutorials
• http://www.electronics-tutorials.com/
• Tutorials for Learning about Electronics
• http://www.iguanalabs.com/maintut.htm
• AC Electricity and Electronics
• http://www.sweethaven.com/acee/default.htm
Web References
• Jones on Stepper Motors
• http://www.cs.uiowa.edu/~jones/step/
• Holt Software
• http://www.holtsoft.com/
• Turing, Computer Engineering textbooks
• Tony’s Website
• http://www.uoguelph.ca/~antoon/
• Many excellent tutorials, example circuits