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Electricity flashcards
47 cards drawn from the 10 lessons of electricity: 16 definitions, 19 recall prompts, 2 off-sheet equations and 10 spot-the-error cards. Grade yourself and the deck reschedules each card at staged intervals, from the next day out to three weeks.
Year 12 · Electricity lessons · all 851 cards
Every card in this unit
Click any card to try it in the player above; the card itself links the lesson that teaches it.
- Electric currentDefine
- Potential differenceDefine
- The coulombDefine
- Current, charge and potential differenceSpot the error
- ResistanceDefine
- State the drift speed equationRecall
- State the typical electron drift speed in a copper wireRecall
- Explain why a lamp lights instantly despite slow electron driftRecall
- Charge carriers, drift speed and resistanceSpot the error
- Ohm's lawDefine
- Semiconductor diodeDefine
- Threshold voltage of a diodeDefine
- State the resistance of an ideal ammeter and an ideal voltmeterRecall
- Explain how to read resistance from an I-V characteristicRecall
- State the shape of a filament lamp I-V characteristicRecall
- Current-voltage characteristicsSpot the error
- ResistivityDefine
- Thermistor (NTC)Define
- State the unit of resistivityRecall
- State the effect of doubling a wire's diameter on its resistanceRecall
- Explain why a metal's resistance rises when heatedRecall
- Resistivity and temperatureSpot the error
- SuperconductorDefine
- State the applications of superconductorsRecall
- Explain why an LDR's resistance falls in brighter lightRecall
- Light-dependent resistors and superconductivitySpot the error
- Kirchhoff's first lawDefine
- Kirchhoff's second lawDefine
- Circuit symbols and Kirchhoff's lawsSpot the error
- State the combined resistance of resistors in parallelRecall
- State the three forms of electrical powerRecall
- Electrical energy transferred in time tEquation
- Series, parallel and powerSpot the error
- Explain why series resistors share the supply pd in the ratio of their resistancesRecall
- State the range of a potential divider outputRecall
- State the assumption behind the potential divider equationRecall
- State how the potential varies along a uniform current-carrying wireRecall
- Potential divider outputEquation
- The potential divider and its outputSpot the error
- Light-dependent resistor (LDR)Define
- Sensing circuits and the potentiometerSpot the error
- Electromotive forceDefine
- Internal resistanceDefine
- Terminal potential differenceDefine
- Explain how to find emf and internal resistance from a V-I graphRecall
- State the short-circuit current of a cellRecall
- EMF and internal resistanceSpot the error
The lessons these cards come from
- Current, charge and potential difference
- Charge carriers, drift speed and resistance
- Current-voltage characteristics
- Resistivity and temperature
- Light-dependent resistors and superconductivity
- Circuit symbols and Kirchhoff's laws
- Series, parallel and power
- The potential divider and its output
- Sensing circuits and the potentiometer
- EMF and internal resistance
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