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

Self inductance of a solenoid cannot be increased by

A
decreasing its length
B
increasing its area of cross-section
C
increasing the current through it
D
increasing the number of turns in it
2
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
3
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
$$\frac{\mathrm{LI}}{\mathrm{n}}=\phi$$
4
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
$$25 \mathrm{~mH}$$
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