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Year 8
Science
Current & Potential Difference (Voltage)
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Isabelle Gray
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Cards (27)
Which piece of equipment would you use to measure the current in a circuit?
ammeter
Name the part of the circuit represented by the symbol below
LED
(
light emitting diode
)
Are the lamps connected in series or in parallel?
parallel
What type of particle carries an electric current through a wire?
electron
What units are used for V?
volts
What part of the circuit does it represent?
bulb
What part of the circuit does it represent?
cell
Is the potential difference across two components connected in series always the same?
No
Electric current is a flow of electric __________.
charge
What units are used for the rate of flow of electric charge?
ampere
Are the ammeters connected in series or in parallel?
series
What is this part of the circuit represented by the diagram?
fuse
The symbol below represents a __________ __________ in a circuit.
closed switch
Are the resistors connected in series or in parallel?
series
True or false? A current is present wherever there is a flow of electrical charge.
true
What part of an electrical circuit does it represent?
open switch
Should an ammeter be connected in series or in parallel?
in series
What part of an electric circuit does the diagram shown below symbolise?
diode
What is voltage another name for?
potential difference
An LED is useful because when a current passes through it, it gives out... what?
Light
What name is given to the rate of flow of electric charge?
electrical current
True or false? If two components are connected in series, the current through one component will always be the same as the current through the other.
true
What part of an electrical circuit does this represent?
battery
In a series circuit, the current is __________ at every point around the circuit.
equal
In a circuit with two identical components connected in parallel, the current which flows through its different branches will be __________.
the same
What is a parallel circuit?
A circuit with
multiple
paths for
current
to flow.
What is a series circuit?
A circuit where the
components
are connected in a
single
path, allowing the flow of current through each component one after another.