Static Electricty⚡️

Question 1

Polythene rods

Answer 1

Gains electrons

Question 2

Perspex rods

Answer 2

Loses electrons

Question 3

Earthing🌍

Answer 3

Occurs when a charged object loses its charge to the earth through a conductor.

Question 4

Main supply

Answer 4

Is A.C a flow at a potential difference of 230 volts

Question 5

The ring circuit

Answer 5

Made if live neutral and earth wires. Sockets are tapped off at points along this ring circuit

Question 6

Fuses

Answer 6

A fuse is a safety device that prevents the circuit from overheating. It will melt when it is too hot breaking the circuit

Question 7

Circuit breaker

Answer 7

Is used in the fuse board of the home and thus trips, to stop the flow of current from entering the house

Question 8

Live wire

Answer 8

Is brown and carries most electricity it is connected to the plug fuse on the right hand wire

Question 9

Neutral wire

Answer 9

Is blue and is connected to the left hand side

Question 10

Earth wire

Answer 10

Is a safety wire no electricity flows in the earth wire unless the appliance it is attached to become live eg a toaster in this case the earth wire would carry the current to the earth instead of you electrocuting yourself should you touch the toaster.

Question 11

Static electricity

Answer 11

Build up of electric charge that can occur on good insulators eg: polythene and Perspex rods

Question 12

Watt(W)

Answer 12

Is the unit of electrical power

Question 13

ESB charges a fee for the number of…

Answer 13

Kilowatts (1000 watts) used per hour

Question 14

ESB unit of electricity is the..

Answer 14

Kilowatt hour (kWh)

Question 15

A kilowatt hour

Answer 15

Is the electrical energy used by a 1kW appliance running for 1 hour