Multiple Choice
A bar magnet is falling through a loop of wire with constant velocity.The south pole enters first.As the magnet leaves the wire,the induced current (as viewed from above) :
A) is clockwise.
B) is counterclockwise.
C) is zero.
D) is along the length of the magnet.
Correct Answer:

Verified
Correct Answer:
Verified
Q6: A changing current in one loop of
Q7: The unit of inductance,the henry,is equivalent to<br>A)V·s/A.<br>B)V/m.<br>C)J/C.<br>D)none
Q8: "GFI" stands for:<br>A)grand flux indicator.<br>B)ground forcing indicator.<br>C)ground
Q9: The self-inductance of a solenoid increases under
Q10: The "back emf" of a motor refers
Q12: A 460-turn solenoid of length 30.0 cm
Q13: A uniform 1.72-T magnetic field passes through
Q14: A 420-turn circular coil with an area
Q15: A coil with a self-inductance of 0.90
Q16: An air-core inductor has 920 turns/m and