Electricty Part 3

Question 1

What are the other names for the brown,blue and green/yellow wires?

Answer 1

Blue: NEUTRAL wire, positioned on the left

Green/Yellow: EARTH wire, positioned on the middle top

Brown: live wire, positioned in the right next to the fuse. It carries the mains voltage(230V).It is dangerous

Question 2

What are some important points for the wires?

Answer 2

-The fuse must be of the correct value
-Not damage the insulation,the live wire can’t touch the earth and neutral wires
-The wires should have the correct length
-Firm cord grip

Question 3

What is the voltage of each appliance in our house?

Answer 3

230 V which is the mains voltage

Question 4

Which formula do we use to calculate the fuse rating?

Answer 4

Power=current x voltage

Question 5

What happens if the current flowing in the circuit,is bigger than the fuse rating?

Answer 5

Th fuse will melt,breaking the circuit so the current stops flowing, preventing the appliance from getting damaged.

Question 6

Would the wire be more thick on a fuse rating of 5A or 30 A?

Answer 6

30A