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A circuit is comprised of eight identical batteries and a resistor R = 0.8 Ω. Each battery has an emf 1.0V and internal resistance of 0.2Ω . The voltage difference across any of the battery is

(A) 0.5V 

(B) 1.0V 

(C) 0v 

(D) 2 v 

1 Answer

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Best answer

Correct option (C) 0V

Explanation:

 On simplifying

Current flowing through R is zero.

‘i’ in the circuit is 8/1.6 = 5 amp.

Potential difference between each cell is E – ir 1 – 5(0.2) = 0 V

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