# ELECTRICITY

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a mindmap about electricity

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ELECTRICITY

Definition Electric Current Definition. An electric current is a flow of particles (electrons) flowing through wires and components. It is the rate of flow of charge. If the electric charge flows through a conductor, we say that there is an electric current in the conductor.

1.SI UNITS - AMPERE (A)

2.AMMETER

3.I =Q/t

Potential difference definition is - the difference in potential between two points that represents the work involved or the energy released in the transfer of a unit quantity of electricity from one point to the other.

1. SI UNIT -VOLTS

2. VOLTMETER

3. V=W/Q

Ohm' law

V=IR

ohm's law in Science. [ōmz] A law relating the voltage difference between two points, the electric current flowing between them, and the resistance of the path of the current. Mathematically, the law states that V = IR, where V is the voltage difference, I is the current in amperes, and R is the resistance in ohms.

RESISTORS

1.SERIES

2.PARALLEL