A short solenoid of radius a, number of turns per unit length n1, and length L is kept coaxially inside a very long solenoid of radius b, number of turns per unit length n2. What is the mutual inductance of the system

Question:

Options :

(a) μ0πb2n1n2 L
(b) μ0πa2n1n2 L2
(c) μ0πa2n1n2 L
(d) μ0πb2n1n2 L2

Answer :

Answer Steps :

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Step 2:

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An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

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