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Will turning off electrical circuit for three to four hours a day save electricity on hot days?
Wiki User
∙ 11y ago
Turning off any unnecessary electrical equipment will save energy - no matter what the weather is ! The trouble is - many people prefer to leave TV's etc on 'stand-by' rather than switch them off completely. Even if a TV is on stand-by - it's still using electricity - since the circuit that checks for a signal from the remote is still active !
Boiling a cup of water in the microwave (instead of using a kettle) uses much less electricity !
Wiki User
∙ 11y ago
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When one country buys one megawatt electricity and use it for 24 hours How much he pays?
The answer depends on the price of electricity which will be different at different times and from place to place.
How many kilowatt-hours of electricity are used by two 60 W electric blankets used for 9 hours?
In each hour two 60W blankets will use 120W. 120W for 9 hours = 1080 W or 1.08 Kilowatts.
What is the consumption of units for 60W bulb for 6 hours?
Convert the watts to kilowatts (divide watts by 1000), and multiply the result by the number of hours. Answer is in kWh, the unit used by the electrical companies for billing.
What do kilowatt hours measure?
a kilowatt hour measures electrical usage in the home usually 600 to 1200 kwh for the average home
How much money does one year of electricity cost?
Electricity in the US cost about ten cents per kilowatt-hour. The average family uses about 10,000 kilowatt-hours per year. So that's about $1,000 per year. This is one of the reasons why alternative energy is so difficult to implement--your electricity is really a bargain.
What are the limitations of a moddel torch circuit compared to the real actual circuit?
the answer is 3 hours for the limitation as the chemicals in the batteries produce a current of electricity
Do solar panels produce electricity or energy?
Solar panels produce electricity (a general statement) which, to be more specific, is electrical energy, measured in watt-hours or kilowatt-hours.
What could cause an electrical circuit to go dead and several hours later restart?
Electrical circuit do not go dead but theyreliably shut down. If there is a thermal protection circuit supervising the heat dissipated that would the circuit to shut down until it cools and start again and probably repeat the cycle.
If 13 A flows for 2 hours in a circuit what is the quantity of electricity that has passed?
Need to know the voltage. Quantity of electricity is expressed in Watts. Watts = amp x volts. Total quantity is expressed in watt/hours.
What measure of electrical energy transfers by electrons in a circuit?
The measure of electrical energy transferred by electrons in a circuit is typically measured in joules (J) or kilowatt-hours (kWh), which is often used for billing purposes by utility companies.
What do you multiply to get electrical energy?
To calculate electrical energy, you typically multiply power (in watts) by time (in hours). The formula is Energy (in watt-hours) = Power (in watts) x Time (in hours).
How much electrical energy is used by a 75 W laptop that is operating for 12 minutes?
Any device that uses 75 watts will use 75 watt hours of electricity in one hour. In 12 minutes, 1/5th of an hour, it will use 75/5 or 15 watt hours of electricity. This is the same as .015 kilowatt hours of electricity.
How many watts of electricity will a 7.5 amperes electric motor use in 5 hours on a 120 volt circuit?
On a 120 v circuit at 7.5 amperes, the power is 120x7.5 watts, 900 watts, and that is the case all the time at every instant the current is flowing. Over time more and more energy is used, and energy is measured in watt-seconds, also known as Joules, or watt-hours, or kilowatt-hours, also known as Units. So in one hour 0.9 units of electrical energy are used up. In 5 hours it is 4.5 units.
What is the energy associated with electric current is called?
The energy associated with electric current is called electrical energy. It is the energy that is transferred by the flow of electric charge through a conductor, typically measured in units of watt-hours or kilowatt-hours.
What is the unit of load?
The unit of load or the power used in an electrical circuit is usually watt hours. In a mechanical system, load is force (pounds or newtons, for example).
What are the measures of electricity?
Some common measures of electricity include voltage (measured in volts), current (measured in amps), power (measured in watts), and energy (measured in watt-hours or kilowatt-hours). Voltage represents the electrical potential difference, current is the flow of electric charge, power is the rate at which energy is transferred, and energy is the total amount of work done by electrical devices.
Why is electric measured in voltage?
Actually, some characteristics of electricity are measured in voltage. Electrical quantity is measured in kilowatt hours, or kilojoules/hr. To answer your question more specifically, that particular unit of measurement (which corresponds, more or less, to electrical "pressure") is named in honor of Alexander Volta, a pioneer in the study of electricity.
