GCSE electricity

Current is ....

• The rate of flow of charge

• The opposite of voltage

• The rate of change of electrical energy

Current flows when .......... move through a conductor

• Negatively charged ions

• Atoms

• Electrons

• Neutrinos

Amperes

• The unit of charge

• The unit of current

• The unit of voltage

• The unit of resistance

Coulomb

• The unit of current

• The unit of charge

• The unit of potential difference

• The unit of power

Potential difference is measured in .........

• Coulombs

• Ohms

• Amps

• Volts

The resistor?

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The battery

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LED

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Variable resistor

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Current can never flow this

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