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Inductors - Technical MCQs

Q1:

Find VR and VL.

mcq8_1034_1.gif

A VR = 41.6 V, VL = 78.4 V

B VR = 48 V, VL = 110 V

C VR = 56 V, VL = 106 V

D VR = 60 V, VL = 60 V

ANS:C - VR = 56 V, VL = 106 V

i = v/z
= 120/2133
= 0.056.

Vr = 0.056 * 1000
= 56V.

Vl = 0.056 * 1884.
= 105.5,
= 106V.