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Grade: 11
        A magnetic flux of 8 × 10^-4 weber is linked with each turn of a 200-turn coil when there is an electric current of 4 A in it. Calculate the self-inductance of the coil.
5 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
471 Points
							Sol. dϕ/dt = 8 x 10^-4 weber
n = 200, l = 4A, E = -nL dl/dt
or, -dϕ/dt = -Ldl/dt
or, L = n dϕ/dt = 200x8x10-4 = 2 x 10^-2 H.

						
5 years ago
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