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A 6V battery of negligible internal resi...

A `6V` battery of negligible internal resistance is connected across a uniform wire of length `1m`. The positive terminal of another battery of emf `4V` and internal resistance `1Omega` is joined to the point `A` as shown in figure. The ammeter shows zero deflection when the jockey touches the wire at the point `C`. The `AC` is equal to

A

`2//3 m`

B

`1//3 m`

C

`3//5 m`

D

`1//2m`

Text Solution

Verified by Experts

The correct Answer is:
A
`x=6/1 v//m implies 6xxl_(AC)=4`
`l_(AC)=2/3m`
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