Motors and Generators

Front

What creates an electric field?

Back

Particles that have a charge.

Front

What is produced by moving a permanent magnet through a coil of copper wire?

Back

Electricity.

Tags

NGSS.HS-PS2-5

Front

What type of energy transformation occurs when a wire with a current is placed in a magnetic field?

Back

Electrical energy is transformed into mechanical energy.

Tags

NGSS.HS-PS2-5

Front

What happens when the north pole of one magnet is connected to the north pole of another magnet?

Back

The two poles repel each other.

Tags

NGSS.MS-PS2-3

Front

What additional energy do lightbulbs often give off besides light?

Back

Heat energy.

Front

What is the relationship between electricity and magnetism in motors?

Back

Electricity is used to create a magnetic field that produces motion.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Front

What is the principle behind electromagnetic induction?

Back

A changing magnetic field can induce an electric current in a conductor.

Tags

NGSS.HS-PS2-5

Front

What is the role of a commutator in a motor?

Back

It reverses the direction of current flow to maintain rotation.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Front

What is the difference between AC and DC current?

Back

AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one direction.

Front

What is the function of a generator?

Back

To convert mechanical energy into electrical energy.

Tags

NGSS.HS-PS3-3