Question

There is 20 volt across the inductor and 15 volt across the resistance in the a.c.

supplied series R-L circuit. What would be the supply voltage?

Answer 1

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Answer 2

Answer:

25 volt

Explanation:

In a series circuit, voltages across R and L will be at right angles. So supply voltage = Sq root(20^2 + 15^2) = 25 V