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1.9 Energy And Power (Year 10 Physics)
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What does wasted power mean?
What does the power rating of appliances indicate?
What type of device typically converts energy transfer faster?
If 10,000 joules of energy is transferred by a motor in 10 seconds, what’s the power?
Convert 5 kilowatts to watts.
A machine has 300 W input power and 100 W of useful output. How much power is wasted?
What is the equivalent of 1 kilowatt in watts?