A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively with and without being short circuited through a resistance of 10 Ω Its internal resistance is -
A
2.0 ohm
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B
zero
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C
1.0 ohm
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D
0.5 ohm
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Solution
The correct option is C 1.0 ohm Hence, the option C is the correct answer