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A resistance and an inductor are connected in series to a 220 V A.C. supply. When measured with an A.C. voltmeter, the P.D. across resistor is 140 V. The P.D. across the terminals of the inductor will be nearly
Option: 1
150 V

Option: 2
160 V

Option: 3
170 V

Option: 4
180 V

Answers (1)

best_answer

$\mathrm{220=\sqrt{140^2+V_L^2} \text { or } 48400=19600+V_L^2}$

$\mathrm{\therefore V_L=\sqrt{28800}=170 \mathrm{~V}}$

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Sayak

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