Static Electricity

Question 0

What happens when you rub acetate with a cloth?

Answer 0

Loses electrons
Positively charged rod
Negatively charged cloth
Clear color

Question 1

What is static electricity?

Answer 1

Charge builds up on it an object and doesn’t move

Question 2

What happens when you rub polythene with a cloth?

Answer 2

Gains electrons
Negatively charged rod
Positively charged cloth
White colour

Question 3

Cracking sound when removing shirts.

Answer 3

If synthetic shirt, electricity builds up

When moved, hear electrical discharges

Question 4

Dust collects on TVs.

Answer 4

TV gives a charge when on

Attracts neutral dust particles

Question 5

Flammable gases in operating theaters.

Answer 5

Gases in anesthetic on flammable
Static formed by machines
OR has conducting floor
Excess charge goes into the earth

Question 6

Airplane being refueled.

Answer 6

As plane flies through air, air particles rub against body
Pipe rubs when refueling
Petrol flammable so spark causes an explosion
Petrol tank and plane earthed with copper wire

Question 7

Cars being refueled.

Answer 7

Friction from wheels builds up
While refueling go inside car and wiggle around
Excess electricity will flow through you causing a spark
Continue holding pump (law)

Question 8

Lightning.

Answer 8

Charge builds up in clouds

Water particles rub together

Question 9

Defibrillator.

Answer 9

Contracts heart so blood flows
Energy through one and, body conducts it to second paddle
Paddles insulated so no harm to medic
No moisture on chest
Make sure everyone clear

Question 10

What happens if the bike is not earthed?

Answer 10

Less attraction so doesn’t work as well

Question 11

If the bike is earthed?

Answer 11

Electrons from Earth come through bike eyes paint gets closer