1  flow of charge particles is called electricity.
2  electrons flow oppositely to electricity.
3  current flows because there is difference of charge between two points.
4 electricity is measured in ampere
5  electricity = no. of charge particles/1 sec
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Electricity is due to the movement of electrons.from -ve terminal to+ve terminal of abattery.the conventional flow of electrons is from -ve to+ve terminal but the external flow  of current is from +ve to -ve terminal.current flows only through a closed circuit.ampere is the unit of current .flow of current can be find out using an ammeter.
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