1. A metal ring with a clockwise current produces a magnetic field (Right- Hand-Rule). If the current increases (which increases the field) over time, what direction will the induced current on the ring be? a. Clockwise b. Counterclockwise c. No Direction 2. A sliding bar that is connected in a metal rectangle moves in such a way that the area of the current rectangle decreases. If the current through the rectangle runs clockwise, which direction will the induced current run? a. Clockwise b. c. No Direction 3. What angle (Between the magnetic field and the area vector) will maximize the induced EMF (Voltage) for a rotating loop? 0 Counterclockwise a. b. 90⁰ c. 180°

1. A metal ring with a clockwise current produces a magnetic field (Right- Hand-Rule). If the current increases (which increases the field) over time, what direction will the induced current on the ring be? a. Clockwise b. Counterclockwise c. No Direction 2. A sliding bar that is connected in a metal rectangle moves in such a way that the area of the current rectangle decreases. If the current through the rectangle runs clockwise, which direction will the induced current run? a. Clockwise b. c. No Direction 3. What angle (Between the magnetic field and the area vector) will maximize the induced EMF (Voltage) for a rotating loop? 0 Counterclockwise a. b. 90⁰ c. 180°

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter20: Induced Voltages And Inductance

Section: Chapter Questions

Problem 9CQ: Eddy current are induced currents set up in a piece of metal when it moves through a nonuniform...

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