An ammeter indicates the current for a toaster is 5.0 amps when the toaster is connected to 120-V circuit. How much energy is given off by the toaster in 42.0 seconds? Show all calculations leading to an answer.

Question

An ammeter indicates the current for a toaster is 5.0 amps when the toaster is connected to 120-V circuit.  How much energy is given off by the toaster in 42.0 seconds?  Show all calculations leading to an answer.

anonymous · Answer

Do you know the formula for energy ?

anonymous · Answer

Energy = Power x time 
Power = U x I = 120 V * 5 A = 600 W
Time= 42 s

Therefore, 

Energy = 600 W * 42 s = 25200 J

anonymous · Answer

hey @AngusV you still online