How is energy use determined?

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Usually we use a mechanical or electrical meter. Gas supplies can simply drive round a counter. Electricity can be measured in several ways, for instance by using part of it to turn a disc which in turn drives a counter. Essentially we measure how much power we use and for how long. The unit is usually kilowatt-hours.
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What laboratory methods are used to determine the energy content of foods?

calorimeter . although not most accuratethe simplest way to test the energy content of foods is using a calorimeter, this is basically a insulated copper beaker filled wit

How did Niels Bohr use spectra to determine energy levels of atoms and ions?

\n. \n Patterns in Spectral Lines \n. \nWhen a gas is excited in an electrical discharge, light is emitted (this is essentially how neon lamps work). Niels Bohr looked

What is the formula you use to determine the gravitational potential energy of an object?

Weight x Height = Potential energy The units and the calculation are the same as for work. Work is force through a distance. Get the weight in the SI by multiplying the mass

What is formula you use to determine the gravitational potential energy of an object?

PE = mgh, that is, mass x gravitation x height. Or simply weight times height, since weight is already equal to mass times gravitation.\n\n. On Earth, you would usually use 9

Why a Gm counter is not useful for determining absorbed energy in a gas?

The Geiger-Meuller detector operates in avalanche mode, meaning that each ionization interaction results in a full pulse on the detector. Each pulse, then, is not proportiona

What factors determine whether a source of energy is useful?

1 Whether it is a renewable resource, (a resource that naturally renews itself, like solar power or wind) 2 Its cost effectiveness (does it help reduce the cost of energy in