Question

Two straight conducting rails from a right angle where their ends are joined. A conducting bar in contact with the rails starts at the vertex at time t=0 and moves with constant velocity v along them as shown in figure. magnetic fields $\overrightarrow{B}$ is directed into the page. The induced emf in the circuit at any time is proportional to

• A. $t^0$
• B. t
• C. v
• D. $v^2$

Answer 1

Answer: (B), (D)

The correct options are
B t
D $v^2$