Electromagnetic Induction - Result Question 14
14. As a result of change in the magnetic flux linked to the closed loop shown in the Fig,
an e.m.f. V volt is induced in the loop. The work done (joules) in taking a charge $Q$ coulomb once along the loop is
(a) QV
(b) $2 QV$
(c) $QV / 2$
(d) Zero
[2005]
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Answer:
Correct Answer: 14. (a)
Solution:
- (a) $\xi=\frac{W}{Q} \Rightarrow V=\frac{W}{Q} \Rightarrow W=Q V$
