SSC JE Electrical Engineering 2013 Paper

Question : 163 of 200

Marks: +1, -0

The voltage across R, L and C are 3 V, 14 V and 10 V respectively as in the figure. If the voltage source is sinusoidal, then the input voltage (r.m.s.) is

10 V
5 V
2.5 V
15 V

Validate

Solution:

V_s=√{V_R^2+(V_L-V_C)^2}

=√{3^2+(14-10)^2}=5V

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