Current and Circuit Components Flashcards
What three subatomic components make up an
atom?
● Electrons
● Protons
● Neutrons
Describe the structure of an atom
● Neutrons and protons in the nucleus
● Electrons surrounding the nucleus in
shells
An atom contains two types of charged particles,
name both of them and state their charges
● Proton (+1)
● Electron (-1)
In a closed circuit, if there is a potential difference in
the circuit there will also be a …
Current
How is current defined?
As the rate of flow of charge (or electrons) around a circuit.
What are the units of charge?
Coulombs, C
Draw the circuit symbol for a switch
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Draw the circuit symbol for a cell
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Draw the circuit symbol for a battery
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Draw the circuit symbol for a lamp
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Draw the circuit symbol for a fuse.
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Draw the circuit symbol for a voltmeter
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Draw the circuit symbol for an ammeter
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Draw the circuit symbol for a diode
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Draw the circuit symbol for a resistor
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