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GCSE     Transducer     >Battery<     Bulb     Buzzer     Driver     Loudspeaker     Microphone     Motor     Neon     Piezoelectric Sounder     Servo     Seven Segment     Solenoid    

Transducer Battery


Site for Eduqas/WJEC - Go to the AQA site.

  GCSE    Transducers  0 of 12    Question 252    Components 
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Cells and Batteries

Cells and batteries of several cells convert stored chemical energy into electrical energy.

A CellA Single Cell           A Battery with three CellsA Battery with Three Cells

More about Stored and Renewable Energy

Here is a Spanish Power Station - The video title is misleading.
Solar heat is used to warm vast tanks of liquid salt solution.
This heat is used 24 hours per day to generate electricity.

The Cost of Electricity

If 230 Volt mains power is available, this is generally the lowest cost way to get power. Mobile devices and remote locations do not have access to mains power so the alternatives below can be considered. Mains power is not 100% reliable so mission / life critical systems need backup power sources.

Measuring Stored Energy - Joules per Kilogram

Battery Capacity - Ampere Hours

Fixed Installations

Small Mobile Devices

Have to use stored energy.

Power Sources

Large Mobile Devices

Have to use stored energy.

Power Sources

Battery Types

Most rechargeable batteries take two or more hours to charge.

New types are being developed!

Inverters

Fuel Cells

Supercapacitors

Renewable Energy Sources

Better for the environment but there are still problems to be considered.

Photovoltaic Farm

Here is a hillside in Spain covered in photovoltaic panels. The panels could be made slightly more efficient by having them track the sun.

Photo-Voltaic Farm

Solar Furnace

This is used for experimental science but a similar device could be used for power generation.

Solar Furnace

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