A conducting bar moves as shown near a long wire carrying a constant 80-A current. If a = 1.0 mm, b = 20 mm, and v = 5.0 m/s, what is the potential difference, Va − Vb?
A)−0.24 mV
B)+0.24 mV
C)−0.19 mV
D)+0.19 mV
E)−0.76 mV

Question

A conducting bar moves as shown near a long wire carrying a constant 80-A current. If a = 1.0 mm, b = 20 mm, and v = 5.0 m/s, what is the potential difference, Va − Vb? 
A)−0.24 mV 
B)+0.24 mV 
C)−0.19 mV 
D)+0.19 mV 
E)−0.76 mV

Quizplus · Accepted Answer

The Answer of A conducting bar moves as shown near a long wire carrying a constant 80-A current. If a = 1.0 mm, b = 20 mm, and v = 5.0 m/s, what is the potential difference, Va − Vb? 
A)−0.24 mV 
B)+0.24 mV 
C)−0.19 mV 
D)+0.19 mV 
E)−0.76 mV

A Conducting Bar Moves as Shown near a Long Wire