At node , currents of and flow into the node, while a current of flows out of it…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits

Problem

At node

N

, currents of

4.0\,\text{A}

and

1.5\,\text{A}

flow into the node, while a current of

2.2\,\text{A}

flows out of it along another branch. Calculate the magnitude of the fourth branch current

I

leaving the node. (a)

7.7\,\text{A}

(b)

3.3\,\text{A}

(c)

-3.3\,\text{A}

(d)

1.8\,\text{A}