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Question

As the switch S is closed in the circuit shown in figure, current passed through it is

A
Zero
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B
1A
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C
2A
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D
1.6A
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Solution

The correct option is C 2A

Let the potential at the point C be V.
By Kirchoff's current law:
i1+i2=i310V4+5V2=V0210V+102V=2V20=5VV=4i3=V2=2A.

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