ElectroMagnetic InductionHard

Question

In the figure shown current i = 10e-4tA. Value of VL and Va - Vb is : -
       

Options

A.-80 e-4t, -40 e-4t
B.80 e-4t, 10 e-4t
C.-40 e-4t, -80 e-4t
D.Zero, Zero

Solution

VL = + L = +2(10e-4t) = -80e-4t
Now Va - iR - = Vb
Va - Vb = iR +
= 40 e-4t - 80 e-4t
= - 40 e-4t

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