6. A laptop battery is rated at 11.1V and can store 48Wh of energy. a. How much average current can it deliver over a period of 4 hours if it is fully discharged at the
end of that time?
b. How much average power is delivered in part (a)?

A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.