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In Figure if the potential at Point P is...

In Figure if the potential at Point P is `100 V`, what is the potential at point Q?

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The correct Answer is:
A
`i=(150-50)/(2+3)=20A` (anti clockwise)
`V_Q+150=20xx2=V_P`
`:. V_Q=V_P-110=-10V`
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