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Electricity and Heat
Matching exercise
Match the items on the right to the items on the left.
Check
Appliance
???
a very thin wire that glows white hot in a light bulb.
a part in an electrical circuit
A material that loses almost all its resistance when it is very cold.
the amount by which a conductor opposes the flow of current.
a device that terns electricity into useful energy
flow of electrons
a weak link made of thin wire that melts when too big a current flows through it.
Component
???
a very thin wire that glows white hot in a light bulb.
a part in an electrical circuit
A material that loses almost all its resistance when it is very cold.
the amount by which a conductor opposes the flow of current.
a device that terns electricity into useful energy
flow of electrons
a weak link made of thin wire that melts when too big a current flows through it.
Current
???
a very thin wire that glows white hot in a light bulb.
a part in an electrical circuit
A material that loses almost all its resistance when it is very cold.
the amount by which a conductor opposes the flow of current.
a device that terns electricity into useful energy
flow of electrons
a weak link made of thin wire that melts when too big a current flows through it.
Filament
???
a very thin wire that glows white hot in a light bulb.
a part in an electrical circuit
A material that loses almost all its resistance when it is very cold.
the amount by which a conductor opposes the flow of current.
a device that terns electricity into useful energy
flow of electrons
a weak link made of thin wire that melts when too big a current flows through it.
Fuse
???
a very thin wire that glows white hot in a light bulb.
a part in an electrical circuit
A material that loses almost all its resistance when it is very cold.
the amount by which a conductor opposes the flow of current.
a device that terns electricity into useful energy
flow of electrons
a weak link made of thin wire that melts when too big a current flows through it.
Resistance
???
a very thin wire that glows white hot in a light bulb.
a part in an electrical circuit
A material that loses almost all its resistance when it is very cold.
the amount by which a conductor opposes the flow of current.
a device that terns electricity into useful energy
flow of electrons
a weak link made of thin wire that melts when too big a current flows through it.
Super conductor
???
a very thin wire that glows white hot in a light bulb.
a part in an electrical circuit
A material that loses almost all its resistance when it is very cold.
the amount by which a conductor opposes the flow of current.
a device that terns electricity into useful energy
flow of electrons
a weak link made of thin wire that melts when too big a current flows through it.
Check
OK
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