If number of turns per unit length in a solenoid is tripled, the self inductance of solenoid will (a) remain constant (b) be halved (c) become 9 times (d) become 1/9 times

Answer: (c). L = μ₀ n² A l, so for fixed A and l, L ∝ n². n' = 3n ⇒ L' = 9L So the answer is (c) become 9 times.

If number of turns per unit length in a solenoid is tripled, the self… | MHT CET 2024 (11 May, Shift 2)

Q39MHT CET 2024 · 11 MAY · SHIFT 2Easy

Self-Inductance & Energy

If number of turns per unit length in a solenoid is tripled, the self inductance of solenoid will

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Answer: (c)

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