Electricity at home lesson 1 an 2

• Natuurkunde
• Middelbare school
• vwo
• Leerjaar 2

Electricity at home

Planning:

Fuse Box

Fuses / Circuit Breakers

Wire colours

Energy meter

Earth Leakage Circuit Breaker

What is the purpose of a fuse / circuit breaker?

Example Exercise 1

The following appliances are connected to one group of a domestic supply:

• an 800 W microwave

• a 2000 W kettle

• a 150 W extractor fan

• six 3.0 W LEDs

Calculate the total current for the group.

Levering 1 laag
003534 kWh

Teruglevering

000000  kWh

What does your own fusebox look like at home?

What is the function of the earthing wire?

What is the function of the Earth Leakage Circuit Breaker?

Which are there 4 different colours of wires running through your house? (And what is their purpose?)

Experiences with
Electricity (at home)