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Electricity and circuits - 7W Flashcards | StudBud
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Electricity and circuits - 7W
Electricity and circuits - 7W
15 terms
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Test knowledge of circuits and symbols.
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What is this symbol?
Ammeter
Virtual display
Voltmeter
Voltage meter
2
What is an ammeter used for?
Measuring the current in a circuit.
Measuring the speed of electricity.
Measuring the power of a circuit.
Measuring how bright a bulb is.
3
What is this symbol?
Fuse
Bulb
Resistor
LED
4
What symbol is this?
LDR
DEL
LoTR
LED
5
What happens to a fuse if too much current is flowing through it?
It blows.
It heats the kettle.
It breaks the circuit.
It sends it back the other way.
6
Which part of a bulb lights up?
The glass
The filament
The fiberment
The gass
7
Can you use a glass of salty water as part of a circuit?
When the third moon rises andd the owl hoots twice!!!
Yes
No
Only on a Wednesday
8
What apparatus is used to measure current in a circuit?
Apple
Ammeter
Ampmeter
Appmeter
9
What is wrong with this circuit?
It is not a full circuit.
The resistances should be different.
There is no battery.
The switch is open.
10
What is this the symbol for?
Resistor
Heater
Thermistor
Variable resistor.
11
A resistor...
...doesn't work in parallel.
...will blow if the current is too high.
...restricts the voltage in a component.
...makes it difficult for current to flow.
12
What does this symbol represent?
Power pack
Resistor
Cell
Battery
13
What happens if there is no cell in a circuit?
All the other components club together.
Nothing.
It is very dangerous.
It will short circuit.
14
This is the symbol for a battery.
True
False
15
What is an ammeter used for?
Making sure there are no gaps
Measuring the current in a circuit.
Pushing electrons around.
Measuring voltage in a circuit.
