Question

A coil of 12 Ω resistance is in parallel with a coil of 20 Ω
resistance. This combination is connected in series with a
third coil of 8 Ω resistance. If the whole circuit is connected
across a battery having an e.m.f. of 30 V and an internal
resistance of 2 Ω

Answer 1

Explanation:

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Answer 2

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