Chapter 18 Test
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Last updated about 5 years ago
50 questions
2
Whether a material is magnetic or not depends on which of the following?
Whether a material is magnetic or not depends on which of the following?
2
As electrons move, they make
As electrons move, they make
2
A compass needle responds to a magnetic field, because the compass needle is a
A compass needle responds to a magnetic field, because the compass needle is a
2
What is created when a magnet moves through a coil of wire?
What is created when a magnet moves through a coil of wire?
2
What is created when a wire moves between the poles of a magnet?
What is created when a wire moves between the poles of a magnet?
2
What can demagnetize a magnet?
What can demagnetize a magnet?
2
A coil of wire with an electric current in it is called a(n)
A coil of wire with an electric current in it is called a(n)
2
A coil of wire that has a soft iron core and that acts as a magnet when an electric current is in the coil is called a(n)
A coil of wire that has a soft iron core and that acts as a magnet when an electric current is in the coil is called a(n)
2
Increasing the number of loops per meter in the coils of a solenoid is one way to
Increasing the number of loops per meter in the coils of a solenoid is one way to
2
Increasing the electric current in the wire is one way to
Increasing the electric current in the wire is one way to
2
What did Faraday’s experiments with magnets and electromagnetic induction demonstrate?
What did Faraday’s experiments with magnets and electromagnetic induction demonstrate?
2
What can you make visible by sprinkling iron filings around a magnet?
What can you make visible by sprinkling iron filings around a magnet?
2
How does a galvanometer make use of the relationship between electric current and magnetic fields?
How does a galvanometer make use of the relationship between electric current and magnetic fields?
2
Which of the following is NOT true about an electromagnet?
Which of the following is NOT true about an electromagnet?
2
What metal is used to make ferromagnets?
What metal is used to make ferromagnets?
2
Which of the following will induce an electric current in a wire?
Which of the following will induce an electric current in a wire?
2
In the region around a magnet in which magnetic forces act exists the
In the region around a magnet in which magnetic forces act exists the
2
An electric fan has an electric motor inside to change
An electric fan has an electric motor inside to change
2
The marked end of a compass needle always points directly to
The marked end of a compass needle always points directly to
2
A device that increases the voltage of an alternating current is called a(n)
A device that increases the voltage of an alternating current is called a(n)
2
What do you end up with if you cut a magnet in half?
What do you end up with if you cut a magnet in half?
2
Each end of a bar magnet is a(n)
Each end of a bar magnet is a(n)
2
A _________ converts mechanical energy into electrical energy.
A _________ converts mechanical energy into electrical energy.
2
This occurs when an electric current is made by a changing magnetic field.
This occurs when an electric current is made by a changing magnetic field.
2
This device increases or decreases the voltage of alternating current.
This device increases or decreases the voltage of alternating current.
2
A device that increases or decreases the voltage of alternating current is a(n) ____________.
A device that increases or decreases the voltage of alternating current is a(n) ____________.
2
Any material that attracts iron or materials containing iron is called a(n) ______________.
Any material that attracts iron or materials containing iron is called a(n) ______________.
2
The process of creating a current in a circuit by changing a magnetic field is called ____________.
The process of creating a current in a circuit by changing a magnetic field is called ____________.
2
The interaction between electricity and magnetism is called ______________.
The interaction between electricity and magnetism is called ______________.
2
A device that converts electrical energy into mechanical energy is called a(n) ______________.
A device that converts electrical energy into mechanical energy is called a(n) ______________.
2
A device that converts mechanical energy into electrical energy is called a(n) _____________.
A device that converts mechanical energy into electrical energy is called a(n) _____________.
2
One of two points with opposing magnetic qualities is called a(n) ________________.
One of two points with opposing magnetic qualities is called a(n) ________________.
2
An attraction or repulsion caused by spinning electric charges is a(n) ________________.
An attraction or repulsion caused by spinning electric charges is a(n) ________________.
2
A coil of wire containing an electric current is a(n) ______________.
A coil of wire containing an electric current is a(n) ______________.
2
A coil of wire with an iron core that becomes magnetized when a current is introduced is known as a(n) ________.
A coil of wire with an iron core that becomes magnetized when a current is introduced is known as a(n) ________.
2
A ________ has two poles, exerts magnetic forces and is surrounded by a magnetic field.
A ________ has two poles, exerts magnetic forces and is surrounded by a magnetic field.
2
Each end of a bar magnet is a ____________.
Each end of a bar magnet is a ____________.
2
An electric motor uses ___________ to change electrical energy into mechanicaal energy.
An electric motor uses ___________ to change electrical energy into mechanicaal energy.
2
The relationship between electricity and magnetism is known as ________________.
The relationship between electricity and magnetism is known as ________________.
2
A wire carrying current will cause a compass needle to move due to the ____________.
A wire carrying current will cause a compass needle to move due to the ____________.
2
A device that increases or decreases the voltage of alternating current.
A device that increases or decreases the voltage of alternating current.
2
Any material that attracts iron or materials containing iron.
Any material that attracts iron or materials containing iron.
2
The process of creating a current in a circuit by changing a magnetic field.
The process of creating a current in a circuit by changing a magnetic field.
2
The interaction between electricity and magnetism.
The interaction between electricity and magnetism.
2
A device that converts electrical energy into mechanical energy.
A device that converts electrical energy into mechanical energy.
2
A device that converts mechanical energy into electrical energy.
A device that converts mechanical energy into electrical energy.
2
One of two points, such as the ends of a magnet, that have opposing magnetic qualities.
One of two points, such as the ends of a magnet, that have opposing magnetic qualities.
2
The attraction or repulsion created by spinning electric charges.
The attraction or repulsion created by spinning electric charges.
2
A loop of wire containing a current.
A loop of wire containing a current.
2
A loop of wire containing an iron core.
A loop of wire containing an iron core.