Current Electricity and Electrical InstrumentHard

Question

In the circuit shown in figure

Options

A.power supplied by the battery is 200 watt
B.current flowing in the circuit is 5 A
C.potential difference across 4Ω resistance is equal to the potential difference across 6Ω resistance
D.current in wire AB is zero   

Solution


current flow in circuit is         I = 10 amp
power supplied by the battery is  = I2R = (10)2 × 2    = 200 Ω
Potential drop across 4Ω & 6Ω are equal and it is equal to zero.
current in AB wire is 10 amp.

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