Real-World Applications of Semiconductors (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does a diode act like in an electrical circuit?
What does a diode act like in an electrical circuit?
A one-way valve for current
What type of power conversion do diodes perform in battery chargers?
What type of power conversion do diodes perform in battery chargers?
AC to DC conversion
How do LEDs compare to incandescent bulbs in terms of energy consumption?
How do LEDs compare to incandescent bulbs in terms of energy consumption?
Far less energy consumption
What do LEDs create in fibre-optic cables for communication?
What do LEDs create in fibre-optic cables for communication?
Light pulses that carry information
What property of an LDR changes based on the amount of light hitting it?
What property of an LDR changes based on the amount of light hitting it?
Electrical resistance
Which lighting system uses LDRs to turn on automatically when it gets dark?
Which lighting system uses LDRs to turn on automatically when it gets dark?
Street lights and security lighting
What are thermistors highly sensitive to?
What are thermistors highly sensitive to?
Temperature changes
What do thermistors convert in digital thermometers?
What do thermistors convert in digital thermometers?
Temperature changes to electrical signals
What are transistors the foundation of?
What are transistors the foundation of?
All modern computing & digital technology
What can transistors do to weak electrical signals?
What can transistors do to weak electrical signals?
Amplify them
How many transistors can a single modern computer chip contain?
How many transistors can a single modern computer chip contain?
More than 100 billion
What do smartphones, laptops, and tablets all contain millions of?
What do smartphones, laptops, and tablets all contain millions of?
Transistors, diodes & semiconductor parts