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In a series LCR circuit , the potential ...

In a series LCR circuit , the potential drop across L, C and R respectively are 40 V , 120V and 60V . Then the source voltage is

A

220 V

B

160 V

C

180 V

D

100 V

Text Solution

Verified by Experts

The correct Answer is:
D
`V=sqrt(V_(R)^(2)+(V_(C)-V_(L))^(2))`
`=sqrt(60^(2)+(120-40)^(2))`
`V=100` volt
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