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Parallel Circuits - Engineering

Q1:

The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is

A 1 A

B 7 A

C unknown

D the larger of the two

ANS:B - 7 A

See, current is the flow of electrons means it's not generated into any junction what is comes in must comes out this is actually KCL.

So 3+4=7.