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What protects the Earth from most of the Sun's charged particles?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
What does a generator do?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
What is kinetic energy?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
What is an electromagnet?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
Why does a superconductor allow electricity to pass through it without heat being produced?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
What type of current changes from positive to negative 60 times each second?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
What does a transformer do?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
What is a motor?
A current-carrying wire wrapped around an iron core.
Chages the voltage of a device with little loss of energy.
Uses a magnetic field to turn motion into electricity.
Alternating current
The magnetosphere.
The electrons in the electrical current do not collide with the atoms in the superconductor.
The energy that an object in motion has.
Any devise that converts electric energy to kinetic energy.
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