A conducting bar moves as shown near a long wire carrying a ...

[BrownTown3]

A conducting bar moves as shown near a long wire carrying a constant 50-A current. If a = 4.0 mm, L = 50 cm, and v = 12 m/s, what is the potential difference, V_A  V_B?
 
   

   
  a.
  +15 mV
   
  b.
  15 mV
   
  c.
  +20 mV
   
  d.
  20 mV
   
  e.
  +10 mV

Question 2

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, V_a  V_b?
 
   

   
  a.
  0.24 mV
   
  b.
  +0.24 mV
   
  c.
  0.19 mV
   
  d.
  +0.19 mV
   
  e.
  0.76 mV

[mammy1697]

Answer to Question 1

a

Answer to Question 2

a

[BrownTown3]

TYSM

[nathang24]

Gracias!