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One electric cell (having emf of 2V & in...

One electric cell (having emf of 2V & internal resistance of 0.1`Omega`) and other electric cell (having emf of 4V & internal resistance of 0.2 `Omega`) are connected in parallel to each other. Then its equivalent emf will be _____ V.

A

1.33

B

2.57

C

2.67

D

0.38

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