Compare the advantages and disadvantages of the two methods of generating electricity (figure 1 in answer):

Figure 1 (AQA GCSE Science A Physics: Higher Tier):

The wind turbine costs £50 000 to buy and install.

The hydroelectric generator costs £20 000 to buy and install.

The average power output from the wind turbine is 10 kW.

The hydroelectric generator will produce a constant power output of 8 kW.

Answer:

The advantages of both sources of power are that they are both renewable sources of energy. Once constructed, the produced fuels will have a very small running cost, due to not requiring fuel, in turn producing no carbon dioxide.

The wind turbine will produce a higher average power output (10kW) but has a higher installation cost. While the 'average output power' is higher, this source of energy is limited by not being constant. Wind turbines can be noisy, produce visual pollution and be deadly to local birds.

In comparison, while producing a lower power output, the hydroelectric power is constant. Like the wind turbines, hydroelectric power may be noisy and also dangerous to fish. 

CH
Answered by Charlie H. Physics tutor

19535 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

If Newton's 3rd law is true (all actions have an equal and opposite reaction), then how can any object move?


What is the difference between a series circuit and a parallel circuit?


An elastic wire suspended from a workbench has a 2kg mass attached to its free end. The wire changes in length by 2cm. Calculate the elastic potential energy stored in the wire.


A cup of boiling water (100 degrees C) (0.2kg) transfers 20 000J of heat to its surrounding in 1 hour. What temperature is the water in the kettle after 1 hour?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences