'Field created' presentation slideshows

Magnetic Fields

Chapter 32. Magnetic Fields. Magnetic Poles. Every magnet, regardless of its shape, has two poles Called north and south poles Poles exert forces on one another Similar to the way electric charges exert forces on each other Like poles repel each other N-N or S-S

514 views • 51 slides

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??? ??? ??. ????????? ????. ??????? Tel ? 13561619726 Email ? zhxh626@163.com. Chapter 4 Electric Machinery. 2. Text Translation. Exercises. Translation Skills. Section 1 Principle of Operation of an Inductive Machine. New Words And Phrases. Notes. 3.

628 views • 36 slides

Torque on a Current Loop, 2

Torque on a Current Loop, 2. There is a force on sides 2 & 4 since they are perpendicular to the field The magnitude of the magnetic force on these sides will be: F 2 = F 4 = I a B The direction of F 2 is out of the page The direction of F 4 is into the page. Torque on a Current Loop, 3.

839 views • 32 slides

Biot-Savart Law

Biot-Savart Law. describes the field contributions of tiny segments of current at a position external to the wire in which the current is flowing. i. Note: r-hat is a unit vector. sin q comes from the cross product ? angle between wire segment dl and position vector r.

893 views • 10 slides

Electric

287 views • 10 slides