Electricity1
Practice Problems
Make sure to enter your answers in the specified units .
1
How many Joules of electrical energy will be delivered by 25 coulombs of charge which move through a difference in potential of volts during 5 seconds?
2
A room air conditioner is rated at watts and operates at 117 volts. How many amps will it draw from the circuit?
3
A 100 watt light bulb is operating in a 117 volt circuit. If it is left on for minutes, how many joules of electrical energy will it have used?
4
Assuming it takes joules of energy to move 3.0 coulombs through a circuit, what is the difference in potential being supplied to the circuit?
5
A power supply is rated at watts. What is the total amount of electrical energy it can supply in 2.3 minutes?
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