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  • An AC voltmeter in an LCR circuit reads 30 V across resistance 80 V across inductance and 40 V across capacitance.The value of applied voltage will be Optio

An AC voltmeter in an LCR circuit reads 30 V across resistance 80 V across inductance and 40 V across capacitance.The value of applied voltage will be 

Option: 1

25 V


Option: 2

50 V


Option: 3

70 V


Option: 4

150 V


Answers (1)

best_answer

\mathrm{V}=\sqrt{\mathrm{V}_{\mathrm{n}}^2+\left(\mathrm{V}_{\mathrm{L}}-\mathrm{V}_{\mathrm{e}}\right)^2}=\sqrt{30^2+40^2}=50 \mathrm{~V}

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Riya

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