Physics: Year 9 Term 1: Energy & Power

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What is power? (1)
The rate of transfer of energy
1 of 5
What is the equation for the power of an appliance? (1)
Power (W) = Input energy (J) / time taken for energy transfer (s)
2 of 5
What is the useful power output of an appliance? (1)
The useful energy transfer/second
3 of 5
What is the total input power of an appliance? (1)
The energy/second supplied to it
4 of 5
Power is equal to what?
Input
5 of 5

Other cards in this set

Card 2

Front

What is the equation for the power of an appliance? (1)

Back

Power (W) = Input energy (J) / time taken for energy transfer (s)

Card 3

Front

What is the useful power output of an appliance? (1)

Back

Preview of the front of card 3

Card 4

Front

What is the total input power of an appliance? (1)

Back

Preview of the front of card 4

Card 5

Front

Power is equal to what?

Back

Preview of the front of card 5

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