1
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A straight conductor of length 0.6 M is moved with a speed of 10 ms$$^{-1}$$ perpendicular to magnetic field of induction 1.2 weber m$$^{-2}$$. The induced e.m.f. across the conductor is

A
6 V
B
7.2 V
C
0.72 V
D
12 V
2
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

A coil of $$n$$ turns and resistance $$R \Omega$$ is connected in series with a resistance $$\frac{R}{2}$$. The combination is moved for time $$t$$ second through magnetic flux $$\phi_1$$ to $$\phi_2$$. The induced current in the circuit is

A
$$\frac{n\left(\phi_1-\phi_2\right)}{3 R t}$$
B
$$\frac{2 n\left(\phi_1-\phi_2\right)}{3 R t}$$
C
$$\frac{2 n\left(\phi_1-\phi_2\right)}{R t}$$
D
$$\frac{n\left(\phi_1-\phi_2\right)}{R t}$$
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