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A Wheatstone's bridge ABCD is balanced w...

A Wheatstone's bridge ABCD is balanced with a galvanometer between the points B and D. At balance, the potential at B and D.

A

`V_B=V_D`

B

`V_BltV_D`

C

`V_BgtV_D`

D

`V_B=2V_D`

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