T-level year 1 2.5 -Electricity principles - generation ohms law

What is the most widely used fossil fuel for electricity generation?

• Oil

• Coal

• Gas

• Nuclear

Which fossil fuel is used for regional generators to create power at times of peak demand?

• Gas

• Oil

• Coal

• Nuclear

Why has the use of coal been scaled down in the UK?

• It is too expensive

• It is highly polluting

• It is not efficient

• It is scarce

How is nuclear energy released?

• By burning fossil fuels

• By splitting atoms

• By chemical reactions

• By solar panels

What are the two ways nuclear energy can be produced?

• Combustion and fusion

• Fission and fusion

• Fission and combustion

• Fusion and combustion

What is the National Grid?

• A) A network of underground cables for water supply

• B) A network of mainly overground cables used to send electricity from generator stations

• C) A system of roads for transportation

• D) A network of internet cables

What is the highest voltage used in the National Grid transmission system?

• A) 132 kV

• B) 275 kV

• C) 400 kV

• D) 500 kV

What are the towers used to carry electricity cables called?

• A) Poles

• B) Pylons

• C) Antennas

• D) Masts

How many cables are suspended from pylons used for the 400 kV super grid?

• A) Four

• B) Five

• C) Six

• D) Seven

What is electromagnetic induction?

• The process of generating electricity using solar panels

• The process by which a current can be induced to flow due to a changing magnetic field

• The conversion of electrical energy into mechanical energy

• The process of storing electrical energy in batteries