Physics electrostatics

Question 1

what causes static electricity

Answer 1

friction

Question 2

can insulators have static electricity

Answer 2

yes

Question 3

how can insulators have static electricity

Answer 3

insulators rub together

negative electrons are scrapped by one insulator and put onto the other

Question 4

which material gets the electron

Answer 4

An electron is transferred from an atom of one material to an atom of another material.

When this occurs, electrons move from the material with a weaker bond to the material with a stronger bond.

Question 5

what is a charge

Answer 5

a charge is when a material gains or loses electrons

Question 6

why is earthing important

Answer 6

if there is a fault in the system it means that if a person touches the material they will be electrocuted

Question 7

what is the role of the earth wire

Answer 7

The earth wire is therefore connected to the case and is attached to a metal plate or water pipe underground.
the earth wire is made of copper, the earth wire provides a low resistance path to the ground.

In the event of a fault, the live current passing through the case will follow this path to the ground instead of passing through a person.

Question 8

why does electrocution takes place

Answer 8

there is a high potential difference between the body and application.