The emf of the driver cell of a potentiometer is 2V

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The emf of the driver cell of a potentiometer is 2V, and its internal resistance is negligible. The length of the potentiometer wire is 100cm, and resistance is 5 ohm. How much resistance is to be connected in series with the potentiometer wire to have a potential gradient of 0.05mVcm^−1?
06
Dec
The emf of the driver cell of a potentiometer is 2V, and its internal resistance is negligible. The length of the potentiometer wire is 100cm, and resistance is 5 ohm. How much resistance is to be connected in series with the potentiometer wire to have a potential gradient of 0.05mVcm^−1? and its internal resistance is [...]
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Tags: and its internal resistance is negligible. The length of the potentiometer wire is 100cm , and resistance is 5 ohm. How much resistance is to be connected in series with the potentiometer wire to have a potential gradient of 0.05mVcm^−1? , The emf of the driver cell of a potentiometer is 2V ,