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Power

The quantity power is the rate at which work is done. The quicker work is done the greater the power

Charge

The size of the current is the rate of flow of charge. Electrons are negatively charged particles and which transfer energy through wires as electricity

Electrical power

The power of an appliance is the energy that is transferred per second. Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit

Density

Density is a measure of how compact the particles are in a substance. Density is defined as the mass per unit volume

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