REVISION P2 a to dHigher

Give one advantage & one disadvantage of using nuclear fuel

What two types of energy can the human body detect that comes from

the Sun?

How do photocells produce electricity?

Give 2 advantages and 2 disadvantages of wind turbines

How do solar panels heat water

Explain how generators work (3)

Pushing the magnet into the coil produces a current. Name two ways that

the current made could be increased

N S

Explain how a power station works?

What is the national grid? How are transformers used in the transmission of electricity through it?

Which appliance would cost the most, explain your answer

Fridge

2kW – on for 3 hours

Heater

3kW – on for 1.5hours

Which fuel type produces methane gas?.

A3KW chip pan is on for 2 hours a week.

If each unit of electricity costs 4p what is the total cost of using it?

Name the three types of nuclear radiation and say what material stops each one

Give an example of useful uses of alpha & gamma radiation?

What does ionising mean?

What is background radiation and give two examples of where it comes from