The south pole of a bar magnet is moved toward a short helical coil of wire (solenoid) along the axis of the coil. The coil has 100 turns and the ends of the coil are connected to form a closed circuit. If the coil is replaced with a single loop of the same type of wire, and the magnet is moved exactly as before, the magnet experiences a force that is
A) the same as before.
B) attractive and 100 times larger.
C) attractive and 100 times smaller.
D) repulsive and 100 times larger.
E) repulsive and 100 times smaller.

Question

Quizplus · Accepted Answer

The Answer of The south pole of a bar magnet is moved toward a short helical coil of wire (solenoid) along the axis of the coil. The coil has 100 turns and the ends of the coil are connected to form a closed circuit. If the coil is replaced with a single loop of the same type of wire, and the magnet is moved exactly as before, the magnet experiences a force that is
A) the same as before.
B) attractive and 100 times larger.
C) attractive and 100 times smaller.
D) repulsive and 100 times larger.
E) repulsive and 100 times smaller.

The South Pole of a Bar Magnet Is Moved Toward