At an instant when two wires carry currents of and into a junction

PHYSICS · Subjective · CBSE · Physics · Current Electricity · Current Electricity

Problem

At an instant when two wires carry currents of

2.4\,\text{A}

and

1.1\,\text{A}

into a junction, two other wires carry

0.90\,\text{A}

out of the junction and

I_D

out of the junction. Determine

I_D

at that instant and state its direction relative to the junction.