Potential Difference Graphs 0.0 / 5 ? PhysicsPotential Difference GraphsGCSEAQA Created by: asho glenoCreated on: 09-04-15 11:37 The current through a resistor at constant temperature is... directionally proportional to p.d. 1 of 7 Different resistors have different resistances and that is why there can be... different slopes 2 of 7 For a bulb, the current flowing through it increases as... the p.d. across it increases 3 of 7 At higher p.d.s, the current increases less because... the resistance of the bulb is greater when the current is higher (due to temp increase) 4 of 7 So the graph looks like a... stretched out s 5 of 7 A diode will not conduct unless the p.d. across it is a... certain value (usually 0.6 V) 6 of 7 The diode will not allow reverse currents to... flow through it 7 of 7
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