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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Energy Changes In Systems (GCSE Physics)

The following is a GCSE Physics test covering 'Energy Changes In Systems' from the broader topic Energy. The test is geared towards the AQA exam board style syllabus.
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Which energy store increases when water is pumped uphill into a reservoir?
A power station supplies 34.2 GJ with efficiency 0.992. What is the useful energy output (in GJ)?
Which equation is used to calculate specific heat capacity c from energy E, mass m and temperature change ?T?
How many joules are equal to 1 kilowatt-hour (kWh)?
Which process transfers energy by electromagnetic waves and does not require particles or a medium?
Which of these is a correct value for the specific heat capacity of water commonly used in calculations?
A resistor dissipates power P = I^2 R. If P = 340 mW and I = 0.75 A, what is R?
A child pushes a walker 2.8 m and does 35 J of work. Calculate the horizontal force applied.
Why should households be encouraged to use energy-efficient electrical devices?
Which statement best describes conservation of energy in a closed system (neglecting losses)?
Which energy equation gives gravitational potential energy change ?E = m g h?