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Card 6
Front
What does the output from a photocell depend on? (3 factors)
Back
Card 7
Front
The Sun is very hot and produces ................ ................. with a very short ......................
Back
Card 8
Front
Passive solar heating uses glass to help keep buildings warm. Describe this process.
Back
Card 9
Front
What are solar reflectors moved by to make sure they are always facing the Sun?
Back
Card 10
Front
Give 2 advantages and 2 disadvantages of wind farms.
Back
Card 11
Front
What can you do to increase the current from a dynamo? (Give 2 examples)
Back
Card 12
Front
What can the output from a dynamo be displayed on? What does this show?
Back
Card 13
Front
What is alternating current?
Back
Card 14
Front
A simple generator (AC generator) consists of what? How does it work?
Back
Card 15
Front
In conventional power stations, fuels are used to heat water. How?
Back
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