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An energy meter measures the amount of electricity consumed by a household or building. It provides information on energy usage, helping users track their consumption and manage their energy usage more efficiently. This can lead to cost savings and promote energy conservation.

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Q: WHAT IS ENERGY METRE.?
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Why is the unit for energy called joules?

Work is determined by multiplying force by the distance moved in the direction of that force. The resulting unit is the newton metre. But, in SI, compound units are often given a special name and, in this case, the newton metre is called a joule -in honour of an English physicist, James Prescott Joule.


What apparatus is used to measure joules?

A joule is a unit of energy, so a variety of instruments can be used to measure energy in joules depending on the specific application. Common instruments include calorimeters for measuring heat energy, and power meters or voltage/current meters for electrical energy.


How many volts of energy can a supernova produce?

A supernova can release up to about 10^46 to 10^47 volts of energy, which is equivalent to the energy output of billions of stars over their entire lifetimes. This immense amount of energy is generated in a matter of seconds during the explosion phase of a supernova.


What does the intensity of a beam of em radiation mean?

The intensity of a beam of electromagnetic radiation is a measure of the power per unit area that is carried by the radiation. It quantifies how much energy is transferred through a given area in a given amount of time. The higher the intensity, the greater the amount of energy being transferred.


Does the stiffness of the bow in a bow and arrow affect the potential energy of the bow?

Yes, the stiffness of the bow affects the potential energy stored in it. A stiffer bow will store more potential energy compared to a less stiff bow when it is drawn back. This potential energy is then transferred to the arrow upon release, affecting its speed and force.

Related questions

How many dekatherm in a cubic meter?

The answer depends on one cubic metre of what substance. A cubic metre of dry sand, for example, has a thermal energy of very nearly zero dekatherms.


Are planets energy receivers?

Yes, they receive energy from the Sun. The power received from the Sun by a planet is 1.36 kilowatts per square metre divided by the square of the planet's distance from the Sun in astronomical units. Neptune receives only about 1½ watts per square metre.


What is a linier metre as compared to metre?

The only reason a metre would need to be called a "linear metre" is to distinguish it between a "square metre" (1 metre in length timesed by one metre in width) and a "cubic metre" (1 metre in length timesed by one metre in width timesed by one metre in height).Therefore, one linear metre is the same measurement as one metre.


How do you convert metre to square metre?

A metre cannot be converted to a square metre. A metre is a length and a square meter is an area.


What is the volume of metre long metre wide and metre high?

It is 1 cubic metre.


What is one fourth of a metre is what percent of a metre?

1/4 of a metre is 25% of a metre


What does a newton meter measure?

A Newton metre measures torque. It can also be used to measure energy, in which case, it is the equivalent of a joule.


How do you mesure electrical energy for domestic purpose?

Electrical energy is measured by a kilowatt-hour metre. All electrical consumers have one, usually where the supply cable enters the property.


What are lineal meters?

A linear (lineal) metre is the same thing as a metre. I think it's a dumbed down term for a metre so people won't get confused with metre, square metre and cubic metre.


Are sun and wind both sources of energy?

They are both sources of energy. The Sun's energy comes in the form of heat and light via electromagnetic waves at about 1.3 kilowatts per square metre. Wind energy is kinetic energy that is used to drive sails or wind turbines.


Why is a metre a metre?

Because if it wasn't, there would be something else that was and then that would be a metre.


Why is the temperature of Neptune very cold?

Because it is 30 times as far from the sun as earth is. This means that an equatorial square metre on Neptune gets 1/900 of the solar radiation (and so energy) compared to an equatorial square metre on earth.