U3L8 Electric and magnetic forces

Front

What is the function of a transformer?

Back

Transformers increase or decrease the amount of voltage.

Front

What does magnetic North point to?

Back

Magnetic North points to geographical south.

Front

What is a solenoid?

Back

A solenoid is a coil of wire with a current running through it.

Front

What can be said about magnetic and electrical fields?

Back

Magnetic and electrical fields are both invisible.

Front

Why do conductors allow a charge to flow more freely?

Back

Conductors allow a charge to flow more freely because their electrons are more loosely bound.

Front

What is the definition of an electric field?

Back

An electric field is a region around a charged particle where a force would be exerted on other charged particles.

Front

What is the definition of a magnetic field?

Back

A magnetic field is a region around a magnet where magnetic forces can be detected.

Front

What is the relationship between electricity and magnetism?

Back

Electricity and magnetism are interrelated; a changing electric field creates a magnetic field and vice versa.

Front

What is the role of electrons in conductors?

Back

In conductors, electrons are loosely bound, allowing them to move freely and conduct electricity.

Front

What happens to voltage in a step-up transformer?

Back

In a step-up transformer, the voltage increases.