A stereo system with a resistance of 40 ohms was measured to have a current of 6.7 amperes. What is the voltage that is supplying the system?
A toaster has a resistance of 60 ohms and it’s plugged into a wall socket that supplies 120 volts. What is the current of the toaster?
Three 1.5 volt cells are powering a circuit that has a resistance of 6 ohms. What is the current running through the circuit?
To power a string of fifty Christmas lights with a resistance of 3 ohms each and with at least 1.2 amperes of current, what must be the minimum voltage of the power source?
(double checking answers)
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