Physics

Problem

At a junction

P

, currents of

2.0\,\text{A}

and

3.5\,\text{A}

enter while currents of

1.2\,\text{A}

and

I

leave. Calculate the value of

I

. a)

0.3\,\text{A}

5.5\,\text{A}

4.3\,\text{A}

2.3\,\text{A}