An alternating voltage is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is
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a
350 V
b
250 V
c
500 V
d
300 V
answer is B.
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Detailed Solution
The applied voltage is given by V=VR2+VL2V=(200)2+(150)2=250 volt
An alternating voltage is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is