Investigating Resistance in Thermistors & LDRs (AQA GCSE Physics Combined Science): Flashcards
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12 cards from this deck
Thermistor resistance as temperature increases
Thermistor resistance as temperature increases
Decreases
LDR resistance as light intensity increases
LDR resistance as light intensity increases
Decreases
LDR full form
LDR full form
Light-dependent resistor
Purpose of thermistors and LDRs in circuits
Purpose of thermistors and LDRs in circuits
Used in sensing circuits to vary resistance
Thermistor use example when cold
Thermistor use example when cold
Switch on a heater
Thermistor use example when hot
Thermistor use example when hot
Activate a fan
LDR resistance in dark conditions
LDR resistance in dark conditions
High
Potential difference across LDR when dark
Potential difference across LDR when dark
High
Bulb brightness in dark (LDR circuit)
Bulb brightness in dark (LDR circuit)
Brighter
LDR resistance in bright light
LDR resistance in bright light
Low
Potential difference across bulb in bright light (LDR circuit)
Potential difference across bulb in bright light (LDR circuit)
Low
Bulb brightness in bright light (LDR circuit)
Bulb brightness in bright light (LDR circuit)
Dimmer