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1.9 Energy And Power (GCSE Physics)

The following is a GCSE Physics test covering '1.9 Energy And Power'
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If 10,000 joules of energy is transferred by a motor in 10 seconds, what’s the power?
Which energy transfer is involved when a bulb lights up?
A 100 W bulb transfers 2000 J of energy. How much time is needed?
How does increasing power affect the rate of energy transfer?
Order of magnitude calculations give a value rounded to:
What is the equivalent of 1 kilowatt in watts?
What does 1 watt equal to in terms of joules and seconds?
Which formula is correct to calculate power?
A machine has 300 W input power and 100 W of useful output. How much power is wasted?
What type of device typically converts energy transfer faster?
What is the SI Unit used for power?