A conducting rod 0.50 m in length moves at a constant speed through a uniform magnetic field. A longer rod 1.0 m in length moving with the same speed in the same direction in this magnetic field would have a potential difference __________ the 0.50 m long rod.
A. less than.
B. the same as.
C. more than.
D. (Not enough information is given.)
Answer:C
A conducting rod 0.50 m in length moves at a constant speed through a uniform magnetic field. A longer rod 1.0 m in length moving with the same speed in the same direction in this magnetic field would have a potential difference __________ the 0.50 m long rod.
A. less than. B. the same as. C. more than. D. (Not enough information is given.)