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Q.

In the shown AC circuit, the rms value of supply voltage is 130 volt. v1 and v2 are AC voltmeters. If reading of v1 is 120 volt, reading of v2 is 

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a

20 volt

b

502 volt

c

50 volt

d

32 volt

answer is C.

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Detailed Solution

v12+v22=v2

⇒ V2=1302-1202 volt =50 volt

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