In the circuit shown, the value of currents I1,I2 and I3 are
A
3A,−32A,92A
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B
92A,3A,−32A
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C
5A,4A,−3A
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D
7A,54A,92A
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Solution
The correct option is A3A,−32A,92A Applying Kirchhoff;s voltage law, In loop I,−27−6I2−2I1+24=0 6I2+2I1=−3....(i) In loop II,−27−6I2+4I3=0 6I2−4I3=−27....(ii) At junction P,I1−I2−I3=0....(iii) Solving equations (i), (ii) and (iii) we get I1=3A,I2=−3/2A,I3=9/2A.