Their resistance depends on their temperature - thermistor, only allows current to flow through in one direction - diode, Blue wire in a cable that carries current away - neutral wire, Equation to calculate power in watts (W) - P = V x I, Driving force that pushes electric charge around - potential difference, Symbol for a LED, Measures current - ammeter, wire used for protecting the wiring and safety - earth wire, A conductor with resistance that is constant at a constant temperature - ohmic conductor, Ohm’s Law - V = I x R, a variable resistor, Calculating energy transferred from potential difference and charge - E = Q x V,

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