Question 1 of 10
What does kWh stand for?
kWh stands for kilowatt-hour, a unit of energy.
Question 2 of 10
How many watts are in a kilowatt?
There are 1000 watts in a kilowatt.
Question 3 of 10
What is the formula for calculating kWh?
kWh is calculated by multiplying the power in kilowatts by the time in hours.
Question 4 of 10
Which of the following is equivalent to 1 kWh?
1 kWh is equal to 3.6 Megajoules (MJ).
Question 5 of 10
What is another term for 'one unit' of electricity?
One kWh is often referred to as one unit of electricity.
Question 6 of 10
If a 2 kW device runs for 5 hours, how many kWh of energy are consumed?
kWh = 2 kW * 5 hours = 10 kWh
Question 7 of 10
What type of meter is used to measure kWh consumption?
An energy meter, also known as a kWh meter, measures energy consumption.
Question 8 of 10
What is the basic unit for which electricity providers charge?
Electricity providers charge based on the number of kilowatt-hours consumed.
Question 9 of 10
If electricity costs 10 cents per kWh and you use 500 kWh, what is the cost?
Cost = 500 kWh * $0.10/kWh = $50
Question 10 of 10
Which of the following units is used for large-scale energy consumption by power plants?
Megawatt-hours (MWh) and gigawatt-hours (GWh) are used for large-scale energy consumption.
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