3.1 machines and applications

Question 1

Why does lightning produce?

Answer 1

it’s the friction between layers of hot air making static electricity and the decharging with earth

Question 2

Name 4 uses of static electricity

Answer 2

Les pellicules d’emballage, précipitations électrostatiques, Peinture, Les photocopies

Question 3

How does paint and static electricity work together?

Answer 3

They use a special nosel where the paint is merged with electrons. This makes sure that all sufaces of the object is painted.

Question 4

Is static electricity dangerous

Answer 4

Yes, one way where static elec can be dangerous is if a accumilation of electrons and oil merge this could cause a explosion.

Question 5

Le générateur van de Graaff is a machine that…

Answer 5

generates a charge at the bottom of the machine and transports this charge in the upwards direction (dome).

Question 6

What is a simple application of electric charge

Answer 6

a photocopier

Question 7

how does purifier of air work

Answer 7

Gaz rentre, le paroi du tube est chargé, les particules deviennent chargés, ils sont attires par le paroi, les petits particules collent au paroi, eventuellement ils tombent

Question 8

Dans un precipitateur Electrique, c’est quoi la charge du conducteur

Answer 8

C’est positif

Question 9

The Base on the Le générateur van de Graaff is also ____

Answer 9

mise a la terre.