#1
Which formula is used to calculate electrical energy consumption?
#2
What unit is typically used to measure electrical energy consumption?
#3
Which of the following is NOT a factor affecting electrical energy consumption?
#4
What is the formula for power?
#5
Which of the following is a unit of electrical power?
#6
What does kWh stand for in electrical energy measurement?
#7
What is the relationship between power, voltage, and current in an electrical circuit?
#8
If a device consumes 500 watts of power and operates for 3 hours, how much energy does it consume?
#9
If the electricity rate is $0.15 per kilowatt-hour, how much does it cost to operate a device that consumes 1000 watts for 5 hours?
#10
If a device consumes 2 kilowatt-hours of energy per day, how much energy does it consume in a month with 30 days?
#11
Which of the following statements is true about power consumption?
#12
If a device operates at 120 volts and draws 2 amps, what is its power consumption in watts?
#13
How much does it cost to operate a 1000-watt device for 8 hours if the electricity rate is $0.10 per kilowatt-hour?
#14
A microwave oven consumes 1200 watts of power. How many kilowatt-hours of energy does it consume if it operates for 30 minutes?
#15
A water heater operates at 240 volts and draws a current of 10 amps. What is its power consumption?
#16
A device with a power rating of 500 watts operates for 2 hours. How much energy does it consume in watt-hours?
#17
If a refrigerator consumes 1.5 kilowatt-hours of energy per day, how much energy does it consume in a year (365 days)?
#18
A light bulb rated at 60 watts is operated for 5 hours per day. How much energy does it consume in a month with 30 days?
#19