Electricity Keywords 0.0 / 5 ? PhysicsD.C. ElectricityASAQA Created by: rgalbraith19Created on: 26-02-17 15:33 Charged particles that move through a substance when a pd is applied across it. Charge carriers 1 of 17 The amount of electrical energy per unit charge produced inside a source of electrical energy. Electromotive force 2 of 17 The capacity to do work. Energy 3 of 17 Resistor which is designed to have a resistance that changes with light intensity. LDR 4 of 17 The resistance of a semiconductor decreases when its temperature is increased. Negative temperature coefficient 5 of 17 The pd across a metallic conductor is proportional to the current, provided the conditions do not change. Ohm's Law 6 of 17 The resistance of a metal increases when its temperature is increased. Positive temperature coefficient 7 of 17 Work done or energy transfer per unit charge between two points when charge moves from one point to the other. Potential difference 8 of 17 Two or more resistors in series connected to a source of pd. Potential divider 9 of 17 Rate of energy transfer. Power 10 of 17 Pd / current Resistance 11 of 17 Resistance per unit length x area of cross-section. Resistivity 12 of 17 The value of direct current that would give the same heating effect as the alternating current in the same resistor (or pd). RMS value 13 of 17 A substance in which the number of charge carriers increases when the temperature is raised. Semiconductor 14 of 17 A material that has zero electrical resistance, below a ‘critical’ temperature. Superconductor 15 of 17 Resistor which is designed to have a resistance that changes with temperature. Thermistor 16 of 17 Pd per division of an oscilloscope. Y-gain 17 of 17
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