What is the total electrical energy consumed by using an electric cooker rated 1000W for 5 hrs?
A
5.3 x 103J
B
6.5 X 103J
C
1.8 X 107J
D
2.3 X 107J
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Energy = power x time
= 1000 x 5 x 3600
= 1.8 X 107J
Source: Myschool Past Questions Archive (Record #27733)