Question

an electric oven is rated 2500 watt. how much units of energy it uses in 4 hours

Answer 1

formula of energy = power * time

so

but first convert it to kwh

2500/1000 = 2.5 kwh

so 2.5 * 4= 10 units of energy is used in  4 hours

Answer 2

load =2500 watt
time =4 hour
daily consumption = 10000