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Network Elements and the Concept of Circuit

  1. The rms voltage measured across each of the circuit elements in figure is as shown when the circuit is excited by a sinusoidal voltage sources. The rms value of the source voltage is—


    1. 21 V
    2. 4 V
    3. 5 V
    4. 1 V
Correct Option: C

We know that the net voltage in RLC circuit is given as
Erms = (VR)2 + (XL – XC)2
= (3)sup>2 + (14 – 10)sup>2
= 9 + 16
= 5 V



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