1
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The coil and magnet are moved in the same direction with same speed (V). The induced e.m.f. is

MHT CET 2024 2nd May Evening Shift Physics - Electromagnetic Induction Question 33 English

A
zero.
B
proportional to V.
C
proportional to $\mathrm{V}^{-1}$.
D
finite but does not depend on V.
2
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic energy stored in an inductor of inductance $5 \mu \mathrm{H}$ carrying a current of 2 A is

A
10 mJ
B
5 mJ
C
$10 \mu \mathrm{~J}$
D
$5 \mu \mathrm{~J}$
3
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A bicycle wheel of radius ' $R$ ' has ' $n$ ' spokes. It is rotating at the rate of ' $F$ ' r.p.m. perpendicular to the horizontal component of earth's magnetic field $\vec{B}$. The e.m.f. induced between the rim and the centre of the wheel is

A
$\frac{1}{2} \mathrm{~B} \pi \mathrm{FR}^2$
B
$\mathrm{B} \pi \mathrm{FR}^2$
C
$\frac{1}{\mathrm{n}} \mathrm{B} \pi \mathrm{FR}$
D
$B \pi \mathrm{FR}^2 n$
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A long solenoid has 1500 turns. When a current of $$3.5 \mathrm{~A}$$ flows through it, the magnetic flux linked with each turn of solenoid is $$2.8 \times 10^{-3}$$ weber. The self-inductance of solenoid is

A
1.2 H
B
2.4 H
C
3.6 H
D
6 H
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