Front

What is a solenoid?

Back

A solenoid is a coil of wire that generates a magnetic field when an electric current passes through it.

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NGSS.MS-PS2-3

Front

What are two effects of Earth’s magnetic field?

Back

1. A compass points to geographic north. 2. Auroras are seen at both poles.

Front

What device increases or decreases the voltage of alternating current?

Back

A transformer.

Front

What is a Step-Up Transformer?

Back

A transformer that increases voltage from primary to secondary.

Front

What is a Step-Down Transformer?

Back

A transformer that decreases voltage from primary to secondary.

Front

How does increasing the number of coils in an electromagnet affect its power?

Back

It increases the power of the magnet.

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.

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NGSS.MS-PS2-5

Front

What is the principle behind a transformer?

Back

A transformer operates on the principle of electromagnetic induction.

Tags

NGSS.HS-PS2-5

Front

What is magnetic force?

Back

Magnetic force is the attraction or repulsion that arises between electrically charged particles due to their motion.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

What is the difference between magnetic north and geographic north?

Back

Magnetic north is the direction a compass points, while geographic north is the direction towards the North Pole.