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# ENERGY METER

# The energy meter isan electrical measuring device, which is used to record Electrical EnergyConsumed over a specified period of time in terms of units.

# The most common typeof meter measures kilowatt hours. When used in electricity retailing, the utilitiesrecord the values measured by these meters to generate an invoicefor the electricity.

# The most common unitof measurement on the electricity meter is the kilowatt hour,which is equal to the amount of energy used by a load of one kilowattover a period of one hour Modernelectricity meters operate by continuously measuring the instantaneous voltage(volts) and current(amperes)and finding the product of these to give instantaneous electrical power(watts) which is thenintegratedagainst time to give energyused (joules,kilowatt-hours).

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