Parallel Circuits

Q:

The total resistance of a parallel circuit is 50 . If the total current is 120 mA, the current through the 270  resistor that makes up part of the parallel circuit is approximately

(a) :  22 mA
(b) :  120 mA
(c) :  220 mA
(d) :  50 mA
Answer:  22 mA
Explanation:  

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