Chapter 14 Magnetism

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

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

Tags

NGSS.MS-PS3-5

Where is the magnetic force on a magnet the strongest?

• center

• both poles

• north pole only

• south pole only

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A device that increases or decreases the voltage of alternating current (AC) is called a(n)

• galvanometer

• electromagnet

• transformer

• generator

A device that uses an electromagnet to measure electric current is a(n)

• electromagnet

• magnetic domain

• transformer

• galvanometer

A device that produces electric current by rotating a coil of wire in a magnetic field is a(n)

• generator

• electromagnet

• transformer

• galvanometer

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A group of atoms whose magnetic poles are aligned is a

• current

• magnetic pole

• magnetic domain

• unalingned

Electric current that reverses direction regularly as it flows through a wire

• direct current

• alternating current

• magnetic current

• magnetism

Properties of magnets and their interactions

• electromagnetic induction

• magnetic domain

• magnetic poles

• magnetism

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

Tags

NGSS.HS-PS2-5