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2.1 Electricity - Coggle Diagram
2.1 Electricity
I-V characteristics
Potential difference (V)
Measured in volts
Filament lamps
As temperature increases, resistance increases
Diodes
Current can only flow in one direction
Ohmic Conductors
Applies at constant temperature
Current is directly proportional to
Potential Difference
Resistors
Resistance stays constant
Mains electricity
Earth wire
Green and yellow stripes
Prevents appliance from becoming live
Neutral wire
Blue
Completes the circuit
Live wire
Brown
Mains electricity voltage is 230V
