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MHT CET 2023 (14 May, Shift 2) · Self-Inductance & Energy

Self-Inductance & Energy question from MHT CET 2023 (14 May, Shift 2)

Q51MHT CET 2023 · 14 MAY · SHIFT 2Easy

Self-Inductance & Energy

A long solenoid has 1500 turns. When a current of $3.5\text{ A}$ 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

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Answer: (a)

$L = \frac{N\phi}{I}$
$L = \frac{1500 \times 2.8\times10^{-3}}{3.5} = \frac{4.2}{3.5}$
$L = 1.2\text{ H}$ , so the answer is (a).

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