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

Two conducting wire loops are concentric and lie in the same plane. The current in the outer loop is clockwise and increasing with time. The induced current in the inner loop is

A
clockwise
B
anticlockwise
C
in a direction which depends on the ratio of the loop radii.
D
zero
2
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
3
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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