Current Electricity (Junior Cert Science): Flashcards
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Practise the cards
10 cards from this deck
Electrical circuit definition
Electrical circuit definition
Continuous loop of metal allowing electricity to flow
What is electric current?
What is electric current?
Flow of electrons
What are conductors?
What are conductors?
Substances that allow electricity to travel through easily
What are insulators?
What are insulators?
Substances that do not allow electricity to travel through
What does an ammeter measure?
What does an ammeter measure?
Current flowing in a circuit
Unit of electric current
Unit of electric current
Ampere (A)
How is an ammeter connected?
How is an ammeter connected?
In series
What does a voltmeter measure?
What does a voltmeter measure?
Voltage (potential difference) between two points
Series circuit: if one bulb blows...
Series circuit: if one bulb blows...
All bulbs go out
LDR resistance when light shines on it
LDR resistance when light shines on it
Decreases