Calculate the electric energy consumed by a 1200W toaster in 20 minutes.

We have, E = Pt

It is given that : P = 1200W

We know that, E = P × t

[Where p = electric power and t = time]

Hence, Energy consumed = 0.4kwh.

Calculate the electric energy consumed by a 1200W toaster in 20 minutes.

We have, E = Pt

It is given that : P = 1200W

We know that, E = P × t

[Where p = electric power and t = time]

Hence, Energy consumed = 0.4kwh.