8th Electric and Magnetic Forces

Front

What is magnetic strength?

Back

How strong a magnet is.

Front

What does magnitude refer to?

Back

The size or quantity of something.

Front

What is electric force?

Back

Attractive or repulsive interactions between any two charged objects.

Front

How can the strength of an electromagnet increase?

Back

Add more loops (coils) of wire around the core.

Front

What is magnetic force?

Back

Attraction or repulsion that arises between electrically charged particles because of their motion.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the relationship between electric current and magnetic fields?

Back

Electric current generates a magnetic field around the conductor.

Front

What is the principle of electromagnetic induction?

Back

The process of generating electric current from a changing magnetic field.

Front

What is the unit of electric force?

Back

Newton (N).

Front

What is the role of a core in an electromagnet?

Back

It enhances the magnetic field produced by the coils of wire.