Question

What is Inductance of a Solenoid?

Answer

Inductance of a Solenoid - The magnetic flux through each turn is, Փ_B = BS = μ₀ NS/l ×I Here, S is the cross-sectional area of the solenoid. Now, n = N/l is the number of turns per unit length L = Nɸ_B/I = N/I(μ₀ NSI/l) ⇒ [L = μ₀ N²S/l]

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