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  • In a series LCR circuit, the potential difference between the terminals of the inductance is 60 V, between the terminals of the capacitor is 30 V and that between the terminals of resistance is 40

In a series LCR circuit, the potential difference between the terminals of the inductance is 60 V, between the terminals of the capacitor is 30 V and that between the terminals of resistance is 40 V. The supply voltage will be equal to:

Option: 1

130 V


Option: 2

10 V


Option: 3

50 V


Option: 4

70 V


Answers (1)

best_answer

\mathrm{\text { In series } L C R \text { circuit, } V=\sqrt{V_R^2+\left(V_L-V_C\right)^2} }
\mathrm{\mathrm{V}=\sqrt{(40)^2+(60-30)^2}=\sqrt{1600+900}=\sqrt{2500}=50 \mathrm{~V} }

Posted by

Gautam harsolia

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