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.
A
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A 12 ohm resistor and a 24 ohm resistor are connected in series with a 6.0 V battery. The correct statement is
A. the current in each resistor is the same. B. the voltage difference between the ends of each resistor is the same. C. the power dissipated in each resistor is the same. D. the smaller resistor carries the larger current.
Uniform Circular Motion: A 2.0-kg ball is moving with a constant speed of 5.0 m/s in a horizontal circle whose diameter is 1.0 m. What is the magnitude of the net force on the ball?
A. 0 N B. 20 N C. 40 N D. 50 N E. 100 N
Two masses are being pulled up a 30.0 degrees incline by a force F parallel to the incline. The acceleration up the incline is 1.00 
and the velocity is up the incline. The force is applied to a 200 kg mass and a string connects the 200 kg mass to a 150 kg mass. The coefficient of kinetic friction is 0.200. The tension in the string is
A. 2,660 N. B. 1,140 N. C. 980 N. D. 875 N. E. 633 N.
The P-V diagram of a cyclic process shows a curve that encloses an area. The work done by the heat engine, represented by the enclosed area, is positive when the path around the area proceeds in which of the following fashions?
a. clockwise c. It is always positive. b. counterclockwise d. It is always negative.