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- 1. Multiple Choice
A temporary magnet made by placing a piece of iron inside a coil of wire that carries an electric current is called a(n)
electromagnet
electric current
galvanometer
transformer
- 2. Multiple Choice
A device that changes electrical energy into mechanical energy, such as that used to turn an electric fan is called a(n)
generator
alternating current (AC)
electromagnet
electric motor
- 3. Multiple Choice
Where is the magnetic force on a magnet the strongest?
center
both poles
north pole only
south pole only
- 4. Multiple Choice
A device that increases or decreases the voltage of alternating current (AC) is called a(n)
galvanometer
electromagnet
transformer
generator
- 5. Multiple Choice
A device that uses an electromagnet to measure electric current is a(n)
electromagnet
magnetic domain
transformer
galvanometer
- 6. Multiple Choice
A device that produces electric current by rotating a coil of wire in a magnetic field is a(n)
generator
electromagnet
transformer
galvanometer
- 7. Multiple Choice
A group of atoms whose magnetic poles are aligned is a
current
magnetic pole
magnetic domain
unalingned
- 8. Multiple Choice
Electric current that reverses direction regularly as it flows through a wire
direct current
alternating current
magnetic current
magnetism
- 9. Multiple Choice
Properties of magnets and their interactions
electromagnetic induction
magnetic domain
magnetic poles
magnetism
- 10. Multiple Choice
A process of producing an electric current in a loop of wire by either moving a magnet through the loop or moving the loop through the magnetic field
alternating current (AC)
reduction
magnetism
induction
- 11. Multiple Choice
Electric current that flows only in one direction through a wire
magnetic domain
direct current (DC)
electromagnetism
alternating current (AC)
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