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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Energy Transfers In A System (GCSE Physics)

The following is a GCSE Physics test covering 'Energy Transfers In A System' from the broader topic Energy. The test is geared towards the AQA exam board style syllabus.
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Which method transfers energy without needing particles to move (can travel through a vacuum)?
What equation links work done (W), force (F) and distance moved in the direction of the force (s)?
Which equation gives gravitational potential energy (?E) in terms of mass m, gravitational field strength g and change in height h?
A transmission cable has a power loss of 1.60 × 10^9 W and the current is 2000 A. What is the resistance of the cable (O)? (Use P = I^2 R)
Which energy store increases when water is pumped uphill into a reservoir?
A wind farm produces 696 MW which serves 580 000 homes. What is the mean power needed per home (W)?
A mass of 60.0 kg is raised by 1.75 m in 1.40 s. What is the power output (W)? (Use g = 9.8 N/kg)
Which equation links energy (E), power (P) and time (t)?
An LED has total power input 4.0 W and efficiency 0.85. What is the useful power output (W)?
Which equation links charge flow Q, energy E and potential difference V?
Which energy store increases as a rubber band or bungee cord is stretched?