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A resistance of 990Omega and a cell of e...

A resistance of `990Omega` and a cell of emf 2 V is connected in series with a potentiometer wire having a length 2 m and resistance `10Omega`. The potential gradient along the wire will be

A

`0.01" V"//"m"`

B

`0.02" V"//"m"`

C

`0.03" V"//"m"`

D

`0.04" V"//"m"`

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