NEET Physics Current Electricity Questions Solved

A cell can be balanced against 110cm and 100 cm of potentiometer wire, repectively with and without being short circuited through a resistance of 10 Ω. Its internal resistance is 

(a) 1.0 Ω

(b) 0.5 Ω

(c) 2.0 Ω

(d) zero 

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