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When a Daniel cell is connected in the secondary circuit of a potentiometer, the balancing length is found to be 540 cm. If the balancing length becomes 500 cm when the cell is short circuited with 1 Ω, the internal resistance of the cell is
Options
(a) 0.08 Ω
(b) 0.04 Ω
(c) 1.45 Ω
(d) 1.08 Ω
Correct Answer:
0.08 Ω
Explanation:
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View Comments (1)
((Final length-initial length)/initial length )×resistence increased
((540-500)/500 )×1=40/500=0.08ohm