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What protects the Earth from most of the Sun's charged particles?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
What supplies to you need to make an electromagnet?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
What does a transformer do?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
What type of current changes from positive to negative 60 times each second?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
What does a generator do?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
What is an electromagnet?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
What is a motor?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
What is kinetic energy?
The energy that an object in motion has.
Uses a magnetic field to turn motion into electricity.
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
The magnetosphere.
Alternating current
All of the above.
Any devise that converts electric energy to kinetic energy.
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