Question: Q. 6. A rectangular loop $P Q M N$ with movable arm $P Q$ of length $10 \mathrm{~cm}$ and resistance $2 \Omega$ is placed in a uniform magnetic field of 0.1 Tesla perpendicular to the plane of the loop as shown in the figure. The resistances of the arms $M N, N P$ and $M Q$ are negligible. Calculate the (i) emf induced in the arm $P Q$ and (ii) current induced in the loop when $\operatorname{arm} P Q$ is moved with velocity $20 \mathrm{~m} / \mathrm{s}$.
| $\times N$ | $\times$ | $\times$ | $\times$ | $P$ | $\times$ | $\times$ |
|---|---|---|---|---|---|---|
| $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ |
| $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ |
| $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | |
| $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | |
| $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ | $\times$ |
| $\times M \times$ | $\times$ | $\times$ | $\times$ | $Q \times$ | $\times$ |
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Solution:
Ans. Try yourself Similar Q. 5 in SAT Question-II
