Physics topic one (energy)

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What is a system?
An object or a group of objects.
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How is energy transferred from battery to bulb?
Work being done by the current in the circuit.
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What is specific heat capacity?
The amount of energy needed to raise 1kg of a substance by 1 degree.
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Specific heat capacity equation
energy=mass x specific heat capacity x change in temp
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Equation for power
p=E/t
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4 ways to reduce unwanted energy transfers in the home
Cavity walls; loft insulation; double glazing; draught excluders
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An example of how a renewable energy resource is used in everyday life?
Solar water heaters
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Other cards in this set

Card 2

Front

How is energy transferred from battery to bulb?

Back

Work being done by the current in the circuit.

Card 3

Front

What is specific heat capacity?

Back

Preview of the front of card 3

Card 4

Front

Specific heat capacity equation

Back

Preview of the front of card 4

Card 5

Front

Equation for power

Back

Preview of the front of card 5
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