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A cell of emf 1.1 and internal resistance 0.5 Ω is connected to a wire of resistance 0.5 Ω. Another cell of the same emf is now connected in series wi
Question

A cell of emf 1.1 and internal resistance 0.5 Ω is connected to a wire of resistance 0.5 Ω. Another cell of the same emf is now connected in series with the intention of increasing the current but the current in the wire remains the same. The internal resistance of the second cell is __________.
Fill in the blank with the correct answer from the given below.

A.

1 Ω

B.

2.5 Ω

C.

1.5 Ω

D.

2 Ω

Correct option is A

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