Solve the following questions given below:
Question I: What is the peak current through a 600-W room heater that operates on 120-V AC power?
(in A)
Question II: A certain circuit breaker trips when the rms current is 20.0 A. What is the corresponding peak current?
(in A)
Question III: A North American tourist takes his 26.0-W, 120-V AC razor to Europe, finds a special adapter, and plugs it into 240 V AC. Assuming constant resistances, what power does the razor consume as it is ruined?
(in W)
Please explain clearly with details so that I can follow.