contestada

Two identical circular loops of metal wire are lying on a table without touching each other. Loop -A carries a current which increases with time. In response, the loop-B:_________.
A. remains stationary
B. is attracted by the loop A
C. is repelled by the loop A
D. roatates about its CM with CM fixed
E. none of these

Respuesta :

tochjosh

Answer:

E. none of these

Explanation:

If two loops are lying next to each other, with one of the loop carrying a time varying current, the other loop is induced with an induced current, causing an induced voltage to flow through the other loop. The phenomenon is known as electromagnetic induction. Options listed from A to D are all wrong, so we pick option E