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Q.

Choose the incorrect statement , if VR,VL,VC  and V are the voltages across resistor, inductor , capacitor and total voltage  respectively in a series L-R-C circuit, Z is impedance and I is the current through the circuit

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a

For the resistor, the relation VR=IR  can be applied for the instantaneous, RMS and peak values of voltages and currents

b

For the inductor, the relation VL=IXL  can be applied for the instantaneous, RMS and peak values of voltages and currents

c

For the capacitor, the relation VC=IXC can be applied for the RMS and peak values of voltages and currents.

d

For the LCR combination, the relation V=IZ can be applied for the RMS and peak values of voltages and currents

answer is B.

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Detailed Solution

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Vc=i×c  only
For peaks & RMS

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