Part A A bar magnet is pushed toward a loop of wire as shown in the (Figure 1). Is there a current in the loop? If so, in which direction? If not, why not? Match the words in the left column to the appropriate blanks in the sentences on the right. Reset Help is always zero, as all field lines that enter the loop then As the bar magnet is pushed upward directly under the center of the loop, the net magnetic flux According to Lenz's law, symmetrically exit the loop. mostly caused by downward pointing magnetic field lines increases. mostly caused by upward pointing magnetic field lines increases. Figure < 1 of 1> a clockwise-induced current is needed to oppose the flux change. a counterclockwise-induced needed to oppose the flux change. current since no flux change occurs, no current is induced in the loop.

Part A A bar magnet is pushed toward a loop of wire as shown in the (Figure 1). Is there a current in the loop? If so, in which direction? If not, why not? Match the words in the left column to the appropriate blanks in the sentences on the right. Reset Help is always zero, as all field lines that enter the loop then As the bar magnet is pushed upward directly under the center of the loop, the net magnetic flux According to Lenz's law, symmetrically exit the loop. mostly caused by downward pointing magnetic field lines increases. mostly caused by upward pointing magnetic field lines increases. Figure < 1 of 1> a clockwise-induced current is needed to oppose the flux change. a counterclockwise-induced needed to oppose the flux change. current since no flux change occurs, no current is induced in the loop.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 51A

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