motors and generators

Front

What did Hans Oersted discover?

Back

That a current in a wire could create a magnetic field.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

True or False: Motors and generators are opposites.

Back

True.

Front

What device is made of coils of wire with an electrical current in order to generate a magnetic field?

Back

Electromagnet.

Front

What two forces are required for generators and electric motors to work?

Back

Electrical and magnetism.

Tags

NGSS.MS-PS2-3

Front

Can a magnetic field cause an electrical current?

Back

True.

Tags

NGSS.HS-PS2-5

Front

What is the primary function of an electric motor?

Back

To convert electrical energy into mechanical energy.

Front

What is the primary function of a generator?

Back

To convert mechanical energy into electrical energy.

Front

What is electromagnetic induction?

Back

The process of generating an electric current by changing the magnetic field around a conductor.

Tags

NGSS.HS-PS2-5

Front

What is the role of a commutator in a motor?

Back

To reverse the direction of current flow in the motor windings.

Tags

NGSS.HS-PS2-5

Front

What is Faraday's law of electromagnetic induction?

Back

The induced electromotive force in any closed circuit is equal to the rate of change of the magnetic flux through the circuit.

Tags

NGSS.HS-PS2-5