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In the Wheatstone network given, P=10 Om...

In the Wheatstone network given, `P=10 Omega, Q=20Omega, R=15Omega, S=30Omega`, the current passing through the battery (of negligible internal resistance)

A

`0.36 A`

B

zero

C

`0.18 A`

D

`0.72 A`

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The correct Answer is:
A
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