Electromagnetic Induction & Alternating Currents-Self and Mutual Inductance (NEET Physics): Questions 6 - 7 of 7

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Question number: 6

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

A small coil of N 1 turns, l 1 length is tightly wound over the center of a long solenoid of length l 2, area of cross-section A and number of turns N 2. If a current I flows in the small coil, then the flux through the long solenoid is,

Choices

Choice (4) Response

a.

μ0N1N2AIl2

b.

μ0N12AIl1

c.

zero

d.

infinite

Question number: 7

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

Two inductors L 1 and L 2 are at a sufficient distance apart. Equivalent inductance when they are connected (i) in series (ii) in parallel are

Choices

Choice (4) Response

a.

L1L2,L1L2L1L2

b.

None

c.

L1+L2,L1L2L1+L2

d.

L1L2,L1+L2L1L2

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