A bread toaster uses a current of 4A when plugged in a 240V line. it takes 1 minute to toast slices of bread. what is the energy consumed by the toaster
A
5.76 x 104J
B
1.60 x 104J
C
3.60 x 103J
D
1.60 x 102J
Verified Correct Answer: A.
Physical Principles & Numerical Solution
Electrical Energy = IVt
= 4 x 240 x (1 x 60)
= 57600J
= 5.76 x 104J
Source: Myschool Past Questions Archive (Record #41483)