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How many kilowatt-hours does a 500 watt microwave use in 1 hour?

A kilowatt hour is equal to the amount of electrical energy  consumed at a rate of one kilowatt. 1 kilowatt hour is the same as  1000 watt-hours.    So using that pri (MORE)

How many kilowatts per hour are used to run a 1500 watt electric fireplace?

1.5 kW "Kilo" means 1000, so a 1500 W appliance uses energy at the rate of 1500 W / 1000 = 1.5kW. By the way, you probably do not mean "kilowatts per hour." A watt (or a k (MORE)
In Algebra

How many kilowatt-hours does a 100 watt light bulb use in 10 hours?

First let us convert the power of the bulb into kilowatts. A kilowatt is 1000 watts. We have one tenth of that. So 100W = 0.1kW To work out the kilowatt hours we simply mu (MORE)

How many watts are in a kilowatt hour?

      Answer   A watt-hour is a measure of watts * time. One watt-hour is the amount of energy used by something drawing one watt being used for one hour.   (MORE)

How many kilowatt hours does a tv use?

Check the power rating of the TV, and multiply by how many hours you used it for. Say if it uses 180W and you have it on for 4 hours, you will have used 180W * 4 = 720 watt-ho (MORE)
In Science

How many kilowatts an hour does a microwave use?

It depends what the power rating of the appliance is. A 500 watt microwave will use half a kilowatt if it's run for an hour on full power. A 750 watt unit will use 3/4 of a un (MORE)

How many kilowatts are in 1 kilowatt hour?

That's like asking "How many miles per hour are in one mile ?" Kilowatts is a unit of power ... the rate of using energy. Kilowatt-hours is a unit of energy. You can't con (MORE)

How many kilowatts does a philips 90 watt floodlight use in a 12 hour period?

You need to understand the difference between power - as in  watts - and energy - as in Watt hours.  Watts/kiloWatts only tells you what it's doing at the moment, at  that (MORE)

How many kilowatts does 3 HP well pump use per hour?

Kilowatts and horse power are both measures of power and they must  be multiplied by time to get units of energy.    1 HP is 746 watts, so a 3-HP pump works at 3 x 746 (MORE)