Answers

2016-07-15T11:29:01+08:00
The current goes through 3.86 ohms, 18 ohms and then spreads through parallel resistors of 15 and 45 ohms.

The resistance of the parallel resistors is 45*15/(45+15) = 11.25.

The total resistance = 11.25 + 18 + 3.86 = 33.11.

I = V/R = 25/33.11 = 0.755 A.

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