A conducting bar of length L rotates in a counterclockwise direction with a constant angular speed of +2.0 rad/s about a pivot P at one end, as shown. A uniform magnetic field (magnitude = 0.20 T) is directed into the paper. If L = 0.40 m, what is the potential difference, VA − VB?
A)+24 mV
B)−24 mV
C)+16 mV
D)−16 mV
E)+32 mV

Question

A conducting bar of length L rotates in a counterclockwise direction with a constant angular speed of +2.0 rad/s about a pivot P at one end, as shown. A uniform magnetic field (magnitude = 0.20 T) is directed into the paper. If L = 0.40 m, what is the potential difference, VA − VB? 
A)+24 mV 
B)−24 mV 
C)+16 mV 
D)−16 mV 
E)+32 mV

Quizplus · Accepted Answer

The Answer of A conducting bar of length L rotates in a counterclockwise direction with a constant angular speed of +2.0 rad/s about a pivot P at one end, as shown. A uniform magnetic field (magnitude = 0.20 T) is directed into the paper. If L = 0.40 m, what is the potential difference, VA − VB? 
A)+24 mV 
B)−24 mV 
C)+16 mV 
D)−16 mV 
E)+32 mV

A Conducting Bar of Length L Rotates in a Counterclockwise