A conducting bar of length L rotates 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 − VP?
A)−12 mV
B)+8.0 mV
C)−8.0 mV
D)+12 mV
E)−16 mV

Question

A conducting bar of length L rotates 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 − VP? 
A)−12 mV 
B)+8.0 mV 
C)−8.0 mV 
D)+12 mV 
E)−16 mV

Quizplus · Accepted Answer

The Answer of A conducting bar of length L rotates 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 − VP? 
A)−12 mV 
B)+8.0 mV 
C)−8.0 mV 
D)+12 mV 
E)−16 mV

A Conducting Bar of Length L Rotates with a Constant