# In a wheatstone bridge(see fig.), resistances P and Q are approximately equal. When R=400 , the bridge is equal. When R=400, the bridge is balanced. On inter-changing P and Q, the value of R, for balance, is 405 . The value of x is closed to: (a) 403.5 ohm (b) 404.5 ohm (c) 401.5 ohm (d) 402.5 ohm

## Question ID - 50317 :- In a wheatstone bridge(see fig.), resistances P and Q are approximately equal. When R=400 , the bridge is equal. When R=400, the bridge is balanced. On inter-changing P and Q, the value of R, for balance, is 405 . The value of x is closed to: (a) 403.5 ohm (b) 404.5 ohm (c) 401.5 ohm (d) 402.5 ohm

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Answer Key : (d) -

402.5 ohm

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