The magnetic field at the center of coil of n turns, bent in the form of a square of side , carrying current i, is - VgyanHub

Question:

The magnetic field at the center of coil of n turns, bent in the form of a square of side , carrying current i, is

Options :

(a) √2μ0nl/πl
(b) √2μ0nl/2πl
(c) √2μ0nl/4πl
(d) 2μ0nl/πl

Answer :

(a) √2μ₀nl/πl

Answer Steps :

step 1:

step 2:

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