Question

A resistor, R, is connected in series with an inductor, L. An a.c. current, , flows through this RL combination, causing a voltage () of 30V to be developed across the resistor, and a voltage ( ) of 40V to be developed across the inductor.

Assuming that is in-phase with , and leads by 90 , draw a vector diagram for this arrangement and then calculate the magnitude of the resultant voltage across the whole RL combination.

Answer 1

Answer:

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