1.

In an LCR series a.c. circuit, the voltage across each of the components, L,C and R is 50V. The voltage across the LC combination will be(a) 50V (b) 50√2V(c) 100V (d) 0V (zero).

Answer»

Correct Option(d) zero

Explanation:

ln an L-C-R series AC circuit, the voltage across inductor L leads the current by 90° and the voltage across capacitor C lags behind the current by 90°. [ V = VL VC = 50 - 50 = 0]

Hence, the voltage across L-C combination will be zero.



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