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What is a current?
Current is the rate at which electric charge flows through a circuit.
What is the equation linking voltage, current and resistance?
Ohm's Law which is current = voltage/resistance
What is the letter for current?
I
What is the letter for Voltage?
V
What is the letter for resistance?
R
What is a circuit?
A circuit is a complete, closed path that allows electric current to flow.
What flows through a circuit?
electrons
What is a series circuit?
A series circuit has one loop, so current flows through all components in a single path.
What is resistance measured in?
Ohms
How to work out resistance?
Resistance = potential difference/current
What are the units of current?
Amps