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Edexcel GCSE Physics
Topic 10: Electricity and Circuits
10.1 Circuit Components
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Cards (20)
A circuit consists of components such as a power source, conductors, switches, and
loads
What is the primary function of a resistor in a circuit?
Limits current flow
What type of energy does a power source provide in a circuit?
Electrical energy
What is the purpose of a load in a circuit?
Uses electrical energy
What type of signal does an inductor filter out in a circuit?
High-frequency signals
What is a circuit defined as?
A complete and closed path
Circuit components are used to control the flow of
electricity
and perform various functions in a circuit.
True
An inductor stores energy in a
magnetic
field.
True
Match the circuit component with its function:
Power source ↔️ Provides electrical energy
Conductors ↔️ Facilitate current flow
Switches ↔️ Control circuit closure
Loads ↔️ Use electrical energy
Switches in a circuit are used to control the flow of
electricity
by opening or closing the circuit.
True
An inductor stores energy in a
magnetic
field.
What key term is associated with a diode?
One direction
A diode is used in circuits to convert AC to DC in
rectifiers
.
True
A capacitor stores electrical energy by accumulating
charge
What does a diode allow current to flow through?
One direction only
Conductors in a circuit facilitate the flow of
current
Which circuit component limits and controls current flow?
Resistor
Which circuit component allows current to flow in only one direction?
Diode
An inductor stores energy in a magnetic field when
current
flows through it.
A diode acts as a one-way
valve
for electricity.