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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 equation links energy (E), power (P) and time (t)?
Which expression gives the efficiency of a device?
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?
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?
Which energy transfer involves the movement of charged particles in a conductor?
What is the primary energy store that increases when a spring is stretched?
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 statement best describes conservation of energy in a closed system (neglecting losses)?
Which equation links work done (W), force (F) and distance (s)?
Which energy store increases when water is pumped uphill into a reservoir?