Resistors (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Ohmic conductor
Ohmic conductor
Constant resistance, current P.D., linear graph
Graph shape for non-constant resistance
Graph shape for non-constant resistance
Nonlinear
Filament lamp resistance as it heats up
Filament lamp resistance as it heats up
Increases
Diode current flow direction
Diode current flow direction
One direction only
Higher resistance effect on energy
Higher resistance effect on energy
More energy transferred
Resistance constant condition
Resistance constant condition
Temperature must be constant
Thermistor resistance in hot conditions
Thermistor resistance in hot conditions
Lower
Thermistor use
Thermistor use
Temperature detectors/thermostats
LDR resistance with high light intensity
LDR resistance with high light intensity
Lower
LDR resistance in darkness
LDR resistance in darkness
Greatest
LDR use
LDR use
Automatic night lights
Greater wire length effect on resistance
Greater wire length effect on resistance
More resistance, lower current
Diode resistance in reverse
Diode resistance in reverse
Very high, no current flows
LED current flow direction
LED current flow direction
Forward direction only
LED energy efficiency
LED energy efficiency
Extremely energy-efficient