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Physics data booklet 5. Q = Energy/heat. m = Mass. c = Specific heat capacity. T = Temperature. L = Specific latent heat. Energy/heat given/received in changing an object’s temperature. Energy/heat given/received in changing an object’s phase. p = Pressure. F = Force. A = Area. n = Number of moles. N = Number of atoms. NA = Avogadro’s ...
By the end of this section, you will be able to: Express electrical power in terms of the voltage and the current. Describe the power dissipated by a resistor in an electric circuit. Calculate the energy efficiency and cost effectiveness of appliances and equipment.
A.3 Work, energy and power WF= scosθ E p k m!! 1 22 2 2 mv ∆∆Em p = gh Ek H = 1 2 ∆x2 P W t ==Fv ∆ ∆ η== useful work out total work in useful power out total power in 6 Physics data booklet s: displacement u: initial velocity v: final velocity a: acceleration t: time (Use + or - to include direction) F H: elastic force from helical ...
Pearson Edexcel GCE Physics — Advanced Level — List of data, formulae and relationships — Issue 3 3 List of data, formulae and relationships Acceleration of free fall g = 9.81 m −2s (close to Earth’s surface)
The electrical energy (E) used can be reduced either by reducing the time of use or by reducing the power consumption of that appliance or fixture. This not only reduces the cost but also results in a reduced impact on the environment.
A-level Physics data and formulae For use in exams from the June 2017 Series onwards Version 1.5 1. ... AQA A-LEVEL PHYSICS DATA AND FORMULAE Version 1.5 3 Electricity. current and pd force between two masses. 𝐼 = ... energy-mass equation .
Define electric power and describe the electric power equation; Calculate electric power in circuits of resistors in series, parallel, and complex arrangements
