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Olympiad workbookNSEPCurrent Electricity

In an experiment with potentiometer, the balancing length is 250 cm for a cell. When the cell is shunted by a resistance of 7.5 , balancing point is shifted by 25 cm . If the cell is shunted by a resistance of 20 , the balancing length will be nearly

Options

A240 cm
B236 cm
C232 cm
D230 cm

Correct answer

A. 240 cm

Step-by-step solution

No solution

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