What is a cell?
Cell is required to push electrons around a circuit.
What is a battery?
Consists of two or more cells.
What does a Bulb do?
Often a light bulb, this is used to show whether or not a circuit is on.
What does a ammeter do?
Measures electric current in ampmeters (A)
what does a Voltmeter do?
Measures potential difference in volts (V)
What does a fixed resistor do?
Limit current in circuit.
What does a variable resistor do?
Change the resistance.
What is a thermistor?
Device whose resistance decreases with temperature.
What is a Light dependent resistor (LDR)?
Device whose resistance decreases with brightness.
What is a fuse?
Safety feature.
What does a Diode do?
Flows current in one direction.
What does a Light emitting diode do?
Emits light when it allows flow of electric current.
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Equilibrium12
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Density6
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Changing states of matter28
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Specific heat capacity and specific latent heat5
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Half-life3
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Circuits12
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Electrical charge and current20
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Potential difference and resistance12
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Series and parallel Circuits8
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Component Characteristics3
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Thermistors and LDRs4
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a.c and d.c17
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Plugs and Cables11
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Electrical energy, Transfers and Power4
