If there is 100 mA of current flowing into a three -branch parallel circuit and two of the branc currents are 40 mA and 20 mA, the third branch current is .
A)40 mA
B)20 mA
C)160 mA
D)60 mA

Question

Quizplus · Accepted Answer

The total current in a parallel circuit is the sum of the currents through each branch. If the total current is 100 mA and two branches have currents of 40 mA and 20 mA, the third branch must have a current of 40 mA to make the total 100 mA (40 mA + 20 mA + 40 mA = 100 mA).

If There Is 100 MA of Current Flowing into a Three