JEE Mains Model Paper 3

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Question : 39 of 90

Marks: +1, -0

An electric box contains three sources of emf with internal resistance as shown infigure. Choose correct option (s)

Emf of the box is 0.33 V
Internal resistance of the box is 4Ω
Terminal voltage across 2V source is 2.1 V
Emf of the box is 4 V

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