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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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How much energy is required to raise the temperature of 100 kg of water by 80 °C? (Use c = 4200 J/kg °C.)
Which storage method stores more useful energy per 100 kg of water if Method A stores 33,600 kJ but 40% is wasted and Method B stores 490 kJ but 25% is wasted?
Which equation links specific latent heat L, energy E and mass m?
Calculate the gravitational potential energy gained by 100 kg of water pumped to a height of 500 m (g = 9.8 N/kg).
A force of 2.0 N acts at a perpendicular distance of 7.5 cm from a pivot. What is the moment about the pivot?
A resistor dissipates power P = I^2 R. If P = 340 mW and I = 0.75 A, what is R?
What is the primary energy store that increases when a spring is stretched?
Which process transfers energy by electromagnetic waves and does not require particles or a medium?
When 1 kW of power is supplied for 600 s, how much energy is transferred?
Which energy equation gives gravitational potential energy change ?E = m g h?
Which statement best describes conservation of energy in a closed system (neglecting losses)?