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The magnitude of i (in ampere) is

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0.3

0.6

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Correct option is A

Applying Kirchhoff's law in following figure.At junction A :=i+i1+i2=1 ....iFor Loop (1),−60i + 15+5i1=0⇒i1 = 3i ....iiFor loop (2),− 15+5i1+10 i2=0⇒i2 =i1 = 3 i =6 i ....iiOn solving equations (i), (ii) and (iii), we get i = 0.1 A

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