Electromagnets, Motors, & Generators Test Review PS2.1 & ETS1.1

Front

What happens when we switch the direction of the electric current in an electromagnet?

Back

The poles of the electromagnet are reversed.

Tags

NGSS.MS-PS2-3

Front

Which three minerals are attracted to a magnet?

Back

Iron, nickel, cobalt.

Tags

NGSS.MS-PS2-3

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

What does a motor convert electrical current into?

Back

Mechanical force.

Front

What is induced when an electric current runs through a wire?

Back

A magnetic field is induced around the wire.

Tags

NGSS.HS-PS2-5

Front

What is the difference between a series circuit and a parallel circuit?

Back

In a series circuit, components are connected end-to-end, while in a parallel circuit, components are connected across common points.

Front

What is the role of a generator?

Back

A generator converts mechanical energy into electrical energy.

Front

What is magnetic field strength?

Back

Magnetic field strength is a measure of the intensity of the magnetic field, often represented by the symbol 'B'.

Front

What materials are typically used to make permanent magnets?

Back

Materials like iron, nickel, and cobalt are commonly used to make permanent magnets.

Front

How does the strength of an electromagnet change?

Back

The strength of an electromagnet can be increased by increasing the electric current or adding more coils of wire.

Tags

NGSS.MS-PS2-3