Electronic Systems & Devices (Junior Cert Engineering): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
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Practise the cards
15 cards from this deck
Three stages of the systems model
Three stages of the systems model
Input, Process, Output
What batteries convert
What batteries convert
Chemical energy into electrical energy
Function of switches
Function of switches
Make or break electrical circuits
Poles in switch terminology
Poles in switch terminology
Number of separate circuits the switch can control
Throws in switch terminology
Throws in switch terminology
Number of positions each pole can be switched to
Function of resistors
Function of resistors
Reduce the amount of current flowing in a circuit
Function of capacitors
Function of capacitors
Store electrical energy
Function of diodes
Function of diodes
Allow current to flow in only one direction
What thermistors do
What thermistors do
Change resistance when temperature changes
LDR resistance in darkness vs bright light
LDR resistance in darkness vs bright light
High in darkness, low in bright light
Two functions of transistors
Two functions of transistors
Electronic switches and amplifiers
Three terminals of a transistor
Three terminals of a transistor
Collector, Base, Emitter
Two modes of 555 timer IC
Two modes of 555 timer IC
Monostable and Astable
Key advantages of LEDs
Key advantages of LEDs
Very long lifespan and low power consumption
What motors convert
What motors convert
Electrical energy into mechanical energy