# 1. In each of parts a, b, and c of the figure below, find the direc...

## Transcribed Text

1. In each of parts a, b, and c of the figure below, find the direction of the current in the wire that would produce a magnetic field directed as shown. a right to left b out of the page c lower left to upper right B o n. in . The two wires shown in the figure below are separated by d 10.4 cm and carry currents of = 5.30 A in opposite directions. 2. (a) Find the magnitude and direction of the net magnetic field at a point midway between the wires. magnitude 40.8 T; direction into the page 3. (b) Find the magnitude and direction of the net magnetic field at point P1, 10.4 cm to the right of the wire on the right. magnitude 5.1 T; direction out of the page 4. (a) What is the direction of the induced current, if any, in loop A? & correct No current is induced. 5. (b) What is the direction of the induced current, if any, in loop B? correct counterclockwise 6. (c) What is the direction of the induced current, if any, in B loop C? correct clockwise 7. In the figure below what is the direction of the current induced in the resistor at the instant the switch is closed? correct The current out of the page. " 8 A bar magnet is positioned near a coil of wire, as shown in the figure below. What is the direction of the current in the resistor when the magnet is moved to the left and to the right? 8. (a) correct The current is left to right. 9. (b)correct The current is right to left. / 10. A bar magnet is held stationary while a circular loop of wire is moved toward the magnet at constant velocity at position Aas in the figure below. The loop passes over the magnet at position B and moves away from the magnet at position C. (For the following questions, state the directions as if you were to the right of the magnet, watching the loop of wire move away from you.) = = B A 1) (a) Find the direction of the induced current in the loop using Lenz's law at position A. correct counterclockwise 2) (b) Find the direction of the induced current in the loop using Lenz's law at position C. correct clockwise 3) (c) What is the induced current in the loop at position B? (Position B has the center of the loop exactly at the midpoint of the bar magnet.) correct No current is induced.

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