Thermistors, Transistors and Capacitors (Junior Cert Wood Technology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a thermistor?
What is a thermistor?
A resistor that changes with temperature
What happens to resistance in an NTC thermistor as temperature increases?
What happens to resistance in an NTC thermistor as temperature increases?
Resistance decreases
How does a PTC thermistor respond to higher temperatures?
How does a PTC thermistor respond to higher temperatures?
Resistance increases
Which of these is a common application for thermistors?
Which of these is a common application for thermistors?
HVAC systems
What are the two main functions of a transistor?
What are the two main functions of a transistor?
Boost signals and act as switches
What does the emitter in a transistor do?
What does the emitter in a transistor do?
Sends electrons to the base
What is the function of the base in a transistor?
What is the function of the base in a transistor?
Controls flow from emitter to collector
What is the structure of a capacitor?
What is the structure of a capacitor?
Two plates separated by dielectric
What happens during the charging process of a capacitor?
What happens during the charging process of a capacitor?
Accumulates charge to match source voltage
What benefit comes from integrating thermistors, transistors, and capacitors together?
What benefit comes from integrating thermistors, transistors, and capacitors together?
Boosts efficiency and precision