If the length of potentiometer wire is i...

If the length of potentiometer wire is increased, then the accuracy in the determination of null point

decrease

increase

remains unaffected

none of these

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A potentiometer , with a wire of length 10 m, is connected to an accululator of steady voltage. A lenchlanche cell gives a null point at 7.5 m If the length of the potentiometer wire is increaseed by 1 m, find the new posistion of the null point.

A potentiometer having a wire 10 m long stretched on it is connected to a battery having a steady voltage. A length of potentiometer wire is increase by 100 cm , find the new position of null point.

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