1. In the circuit, shown the current I marked is given by
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By: guest on 02 Jun 2017 01.06 am
When 9 V source is connected, 2V source is short circuited [Superposition Theorem]. I' = 9/4.5 = 2 A, I1 = 1.5 A when 2 volt source is connected, then Req = 4.5 I2 = 0.22 A I = I1 + I2 = 0.66 A.