Question

Distinguish between kilowatt and kilowatt hour.

Answer 1

The difference between kilowatt and kilowatt-hour is,

Kilo-watt-Hour	Kilo-watt
$1.$Kilo-watt-Hour is a unit of energy, that is consumed in an hour.	$1.$Kilo-watt is a unit of power
$2.$$1$ Kilowatt-Hour$=$$1000$ watts $\times$$1$ hour $1$ Kilowatt-Hour$=1000$ watts$\times (60\times 60)s$ $1$ Kilowatt-Hour $=3.6\times {10}^{6}J$	$2.$$1$Kilowatt$=1000$ watts $1000$ watts$=1000J{s}^{-1}$