Author Question: A rectangular coil lies flat on a horizontal surface. A bar magnet is held above the center of the ... (Read 61 times)

jake · **on:** Jul 29, 2018

A rectangular coil lies flat on a horizontal surface. A bar magnet is held above the center of the coil with its north pole pointing down. What is the direction of the induced current in the coil?

A)

There is no current in the coil.
B)

clockwise
C)

counterclockwise
D)

Not enough information is provided.

Question 2

A 4.0-M resistor is connected in series with a 0.50-F capacitor. The capacitor is initially uncharged. The RC combination is charged by a 9.0-V battery. What is the change in voltage between t = RC and t = 3RC?

A)

15 V
B)

11 V
C)

7.6 V
D)

5.7 V
E)

2.9 V