Choosing Electrical appliances

Question 1

When is an appliance more useful than another

Answer 1

When it is either using less energy or is more cost-effective

Question 2

What practical advantage may you think of

Answer 2

If it can be used in areas with limited electricity supplies

Question 3

What are the pros of clockwork radios

Answer 3

Powering it is free
Handy in areas with no mains electricity
Better for the environment

Question 4

What is the pro of using battery radios

Answer 4

Handy in areas with no mains electricity supplies

Question 5

What is the con of clockwork radios

Answer 5

Gets annoying to keep winding them up hourly to recharge them

Question 6

What are the cons of battery radios

Answer 6

Expensive
Harmful to environment as a lot of harmful chemicals go into making them
Need to renew them when they run out

Question 7

How does access to electricity limit the standard of living (3)

Answer 7

Refrigerators keep food fresh for longer by slowing the rate of bacterial growth
Communications are affected like the internet and telephone
Public health - Xrays // without these the quality of diagnosis would be poorer