A cell in secondary circuit gives null deflection for length of potentiometer having length of wire. If the length of the potentiometer wire is increased by without changing the cell in the primary, the position of the null point now is |
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a) |
b) |
c) |
d) |
A cell in secondary circuit gives null deflection for length of potentiometer having length of wire. If the length of the potentiometer wire is increased by without changing the cell in the primary, the position of the null point now is |
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a) |
b) |
c) |
d) |