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Question
what will be the effect on the position of zero deflection in a potentiometer if 1. length of potentiometer wire is doubled and 2. the current flowing in potentiometer wire is decreased ?
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Solution
Dear Student,
(1) On doubling the length of potentiometer wire, the potential gradient across the wire will decrease. Hence the position of zero deflection will occur at a longer length.
(2) On decreasing the current, the potential gradient will decrease. Hence the position of zero deflection will occur at a longer length.
Regards
(1) On doubling the length of potentiometer wire, the potential gradient across the wire will decrease. Hence the position of zero deflection will occur at a longer length.
(2) On decreasing the current, the potential gradient will decrease. Hence the position of zero deflection will occur at a longer length.
Regards
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