A 0.20 m long copper rod has constant velocity traveling through a uniform magnetic…
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
4. A 0.20 m long copper rod has constant velocity 0.30m/s traveling through a uniform magnetic field of 0.060 T . The rod, velocity, and magnetic field are all mutually perpendicular. What is the potential difference induced across the rod's length?
(A) 0.0036 V
(B) 0.040 V
(C) 0.090 V
(D) 1.0 V
(E) 25 V