Electromagnetism

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.

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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.

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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.

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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.