Resisting 2.0 / 5 based on 1 rating ? PhysicsElectricityGCSEOCR Created by: Gemma lovellCreated on: 07-05-13 14:40 What is a resistor? It is part of a circuit that resists the flow of current 1 of 6 Name 3 uses of a variable resistor... ...control current, to change the brighteness of a bulb by varying the current and varying the speed of the motor by verying the current 2 of 6 What is voltage measured in? Volts (V) 3 of 6 What is current measured in? Amps (A) 4 of 6 What is resistance measured in? ohms 5 of 6 What is the formula for resistance? Resistance = Voltage/Current 6 of 6
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