Physics iGCSE - Electricity 1 (BGS Year 9) Quick test on Electricity 1 5.0 / 5 based on 7 ratings ? PhysicsElectricityIGCSEEdexcel Created by: S CarruthersCreated on: 02-05-13 08:47 What is Ohm's Law? Current is directly proportional to voltage, as long as the temperature remains constant 1 of 10 If you increase the temperature of a thermistor... ...its resistance decreases 2 of 10 A diode... ...only lets current through in one direction 3 of 10 Current measures ... ... the number of coulombs of charge passing a point in a second 4 of 10 An ammeter is always connected ... ... in series with components 5 of 10 Voltage is a measure of... ...the difference in energy between two points in a circuit 6 of 10 Electrons in a circuit travel... ...from negative to positive 7 of 10 The current-voltage graph of a wire at room temperature looks like... ...a straight line 8 of 10 A diode... ...needs a small voltage across it before it will conduct current 9 of 10 Current... ... travels from positive to negative 10 of 10
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