A total current of arrives at junction

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

Problem

A total current of

4.0\,\text{A}

arrives at junction

P

. Three branches leave the junction carrying currents

I_1

I_2

, and

1.2\,\text{A}

, respectively. If

I_1

is measured to be

1.5\,\text{A}

, what is the value of

I_2

? (a)

0.3\,\text{A}

(b)

4.3\,\text{A}

(c)

1.3\,\text{A}

(d)

2.5\,\text{A}