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Question

The current supplied by the battery in the circuit shown in figure is


A
2 A
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B
1.5 A
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C
1 A
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D
3 A
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Solution

The correct option is C 1 A
The circuit can be reduced by applying the successive reduction for parallel and series combination of resistances.

For parallel combination we can use,

Req=R1R2R1+R2

Redrawing the circuit after simplification,


Therefore the equivalent resistance of circuit across the terminals of battery is,

Req=8+0.5+2+4.5=15 Ω

The current supplied from the battery will be,

i=VReq=1515=1 A

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