1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

A graph of magnetic flux $$(\phi)$$ versus current (I) is drawn for four inductors A, B, C, D. Larger value of self inductance is for inductor.

MHT CET 2022 11th August Evening Shift Physics - Electromagnetic Induction Question 14 English

A
D
B
B
C
C
D
A
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A current 'I' produces a magnetic flux '$$\phi$$' per turn in a coil of '$$n$$' turns. Self inductance of the coil is '$$L$$'. The relation between them is

A
$$\mathrm{nLI}=\phi$$
B
$$\frac{\mathrm{nL}}{\mathrm{I}}=\phi$$
C
$$\frac{\mathrm{LI}}{\mathrm{n}^2}=\phi$$
D
$$\frac{\mathrm{LI}}{\mathrm{n}}=\phi$$
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A current $$I=10 \sin (100 \pi t)$$ ampere, is passed in a coil which induces a maximum emf $$5 \pi$$ volt in neighbouring coil. The mutual inductance of two coils is

A
$$5 \mathrm{~mH}$$
B
$$10 \mathrm{~mH}$$
C
$$15 \mathrm{~mH}$$
D
$$25 \mathrm{~mH}$$
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A rectangular loop $$\mathrm{PQMN}$$ with movable arm $$\mathrm{PQ}$$ of length $$12 \mathrm{~cm}$$ and resistance $$2 \Omega$$ is placed in a uniform magnetic field of $$0.1 \mathrm{~T}$$ acting perpendicular to the plane of the loop as shown in figure. The resistances of the arms MN, NP and MQ are negligible. The current induced in the loop when arm PQ is moved with velocity $$20 \mathrm{~ms}^{-1}$$ is

MHT CET 2021 24th September Evening Shift Physics - Electromagnetic Induction Question 1 English

A
0.12 A
B
0.06 A
C
0.24 A
D
0.18 A
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