Question

A $4\Omega$ and $2\Omega$ coil are connected in parallel. What is the total resistance.?

A $3A$ current pass through the coil. What current pass through the $2\Omega$ coil.

Answer 1

The equivalent resistance of the circuit will be,

$R=\frac{4\times 2}{4+2}$

$=\frac{4}{3}$

Voltage across the coils will be,

$V=3\times \frac{4}{3}=4V$

Current across $2\Omega$ resistor will be

$I=\frac{4}{2}A$

$=2A$