Electricity

Question 1

Charge = Coulomb

Answer 1

The amount of charge that passes when a current of one amp flows for one second

Question 2

Earthing

Answer 2

When an object becomes charged and then ‘earthed’ by connecting to the earth , the electrons will seperate as much as possible , resulting in most of them ‘going to earth ‘

Question 3

Insulator

Answer 3

Any substance through which an electric charge cannot flow

Question 4

Conductor

Answer 4

Any substance through which an electric charge can flow through

Question 5

Coulomb’s law (1)

Answer 5

States that the force between two point charges is proportional to the product of the charges and inversely proportional to the square of the distance between them

Question 6

Coulomb’s law (2)

Answer 6

A static charge will exert a force of attraction or repulsion on another static charge in its vicinity

Question 7

Microcoulombs

Answer 7

1mc = 1 millionth of a coulomb 1x10to the power of -6