Thermistors, Transistors and Capacitors (Junior Cert Wood Technology): Flashcards
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15 cards from this deck
Thermistor definition
Thermistor definition
Resistor that changes resistance with temperature
Transistor definition
Transistor definition
Device that boosts & switches electronic signals & power
Capacitor definition
Capacitor definition
Stores energy in an electric field
NTC thermistor behaviour
NTC thermistor behaviour
Resistance decreases as temperature increases
PTC thermistor behaviour
PTC thermistor behaviour
Resistance increases as temperature increases
Thermistor applications
Thermistor applications
HVAC systems, refrigerators, thermostats
Capacitor uses
Capacitor uses
Filtering and power management
Transistor emitter function
Transistor emitter function
Sends electrons to the base
Transistor base function
Transistor base function
Controls electron flow from emitter to collector
Transistor collector function
Transistor collector function
Receives carriers from the base
Transistor dual roles
Transistor dual roles
Boost signal strength or act as switches
Capacitor structure
Capacitor structure
Two plates separated by dielectric material
Capacitor charging process
Capacitor charging process
Accumulates charge until it matches source voltage
Capacitor discharging process
Capacitor discharging process
Releases stored energy, giving current to circuit
Benefit of integrating these 3 components
Benefit of integrating these 3 components
Boosts efficiency & precision of system