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Card 6

Front

What does the output from a photocell depend on? (3 factors)

Back

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Card 7

Front

The Sun is very hot and produces ................ ................. with a very short ......................

Back

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Card 8

Front

Passive solar heating uses glass to help keep buildings warm. Describe this process.

Back

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Card 9

Front

What are solar reflectors moved by to make sure they are always facing the Sun?

Back

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Card 10

Front

Give 2 advantages and 2 disadvantages of wind farms.

Back

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Card 11

Front

What can you do to increase the current from a dynamo? (Give 2 examples)

Back

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Card 12

Front

What can the output from a dynamo be displayed on? What does this show?

Back

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Card 13

Front

What is alternating current?

Back

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Card 14

Front

A simple generator (AC generator) consists of what? How does it work?

Back

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Card 15

Front

In conventional power stations, fuels are used to heat water. How?

Back

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