Question

Unit of kilowatt and kilowatt hour explain

Answer 1

Hello there  The answer is   The kilowatt hour (symbolized kW⋅h as per SI) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour  Hope this helped

Answer 2

kW is the unit of POWER
1 kW equals to 1000watt
Whereas kWh is the unit of WORK
As,
$power = \frac{work}{time} \\ so \: work \: = power \: \times time$
So, unit of work is unit of POWER * Unit of Time
That is kW × hour which equals to kWh
And, 1kWh = 3.6 × 10 ^6 Joules