Problem 5: An inductor with an inductance of 100 μH
passes a current of 10 mA when its terminal voltage is 6.3 V. Calculate the
frequency of A.C supply.

Given

Inductance, L = 100 μH = 100 × 10^{-6} H, Current, I = 10 mA = 10 × 10^{-3} A
Voltage, V = 6.3 V

Asked

Frequency of supply, f

Solution

Frequency, f of the current is given by, f=X_{L}/2πL. However, we don’t know the value of X_{L}, therefore, we first find it.

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