A mobile charger operates at and and is used continuously for

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

A mobile charger operates at

5\,\text{V}

and

2\,\text{A}

and is used continuously for

3\,\text{h}

. How much electrical energy does it consume, expressed in kilowatt-hours (kWh)? (a)

0.30\,\text{kWh}

(b)

0.003\,\text{kWh}

(c)

0.03\,\text{kWh}

(d)

3.0\,\text{kWh}