1. The voltage applied to a coil having R=200 2, L= 638 mH is represented by e= 20 sin 100 t. Find a corresponding expression for the current and calculate the average value of the power taken by the coil. [i = 0.707 sin (100 Tư -T/4); 50 W] (I.E.E. London)

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1. The voltage applied to a coil having R=200 2, L= 638 mH is represented by e= 20 sin 100 Tn t. Find
a corresponding expression for the current and calculate the average value of the power taken by the
coil.
[i = 0.707 sin (100 -T/4); 50 W] (I.E.E. London)
Transcribed Image Text:1. The voltage applied to a coil having R=200 2, L= 638 mH is represented by e= 20 sin 100 Tn t. Find a corresponding expression for the current and calculate the average value of the power taken by the coil. [i = 0.707 sin (100 -T/4); 50 W] (I.E.E. London)
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