Question 31
Electrical Energy and PowerA bread toaster uses a current of 4 A when plugged in a 240 volts line. It takes one minute to toast slices of bread. What is the energy consumed by the toaster?
- A.5.76 × 104 J
- B.1.60 × 104 J
- C.3.60 × 103 J
- D.1.60 × 102 J
Show the answer and explanation
Answer: A (5.76 × 104 J)
Explanation
Energy = IVt = 4 × 240 × 60 = 57 600 J = 5.76 × 104 J.