When information is given concerning the amount and direction of the current in only two of the wires, it is possible to deduce ____ of the unknown current in the third wire.
A)the amount but not the direction
B)the direction but not the amount
C)the amount and direction
D)neither the amount nor the direction

Question

Quizplus · Accepted Answer

Using Kirchhoff's current law, which states that the total current entering a junction must equal the total current leaving the junction, both the amount and direction of the unknown current in the third wire can be deduced if the amount and direction of the current in two of the wires are known.

When Information Is Given Concerning the Amount and Direction of the Current