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Study
Electricity - Year 9
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Voltage in a circuit is measure with what device?
voltmeter
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In an circuit what does this symbol represent?
light globe
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In an circuit what does this symbol represent?
voltmeter
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What units is voltage measured in?
volts
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Electricity is the flow of what?
Electrons
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In an circuit what does this symbol represent?
ammeter
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In an circuit what does this symbol represent?
bell
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What THREE does a circuit need?
1. complete conducting path 2. a load 3. a power supply
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In an circuit what does this symbol represent?
switch
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Name a resistor.
Toaster, kettle, iron, light globe etc...
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In an circuit what does this symbol represent?
battery / power source
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In an circuit what does this symbol represent?
resistor
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Is a ammeter connected into a circuit in series or parallel?
series
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What units is resistance measured in?
ohms
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Current in a circuit is measure with what device?
Ammeter
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Electrons have what charge?
Negative charge
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Is a voltmeter connected into a circuit in series or parallel?
parallel
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What units is current measured in?
amperes or amps
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DC stands for...
Direct current
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What is voltage?
The pushing force, pushing the electrons around the circuit
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Name ONE type of temporary electricity.
Static electricity or lightning
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If I want to operate two light globes independently of each other - would I connect them in parallel or series?
parallel
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AC stands for...
Alternating current
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What is current?
The number of electrons flowing past a certain point in a circuit per second
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