Papersbylynn

Combined Science - Physics Paper 1 Accurate 100% What is the potential voltage of uk mains electricity supply? - ANSWER230V What colour is the earth wire in a three-core cable - ANSWERYellow and green stripes What is the frequency of the UK mains electricity supply? - ANSWER50Hz What is the role of a step-up transformer? - ANSWERTo reduce the energy lost due to heating What is an isotope? - ANSWERAtom with same number protons but different number of neutrons

AQA Physics paper 1 Questions & Answers( Energy is transferred between stores - ANSWERThermal, kinetic, gravitational potential, elastic potential, chemical, magnetic, electrostatic, nuclear Energy is transferred... - ANSWERMechanically (by a force doing work), electrically (work done by moving charges), by heating or by radiation (like light or sound) When a system changes, energy is transferred - ANSWERIt can be transferred into or away from the system, between objects in the system or ...

AQA Physics Paper 1 Accurate 100% conservation of energy - ANSWERlaw that says energy cannot be created or destroyed, but can change forms uses of friction - ANSWER- rubbing hands for warmth - break pads on bikes Increase efficiency - ANSWER- add lubricant - reduce friction internal energy - ANSWERthe sum of the kinetic and potential energies of all particles in the system Conduction - ANSWERThe direct transfer of heat from one substance to another substance that it is touching. ...

AQA GCSE Physics - Paper 1 Questions & Answers AEnergy Stores - ANSWER1) Elastic potential 2) Gravitational potential 3) Thermal 4) Electrostatic 5) Nuclear 6) Chemical 7) Kinetic 8) Magnetic 9) Light 10) Sound How is energy transferred? - ANSWER1) Mechanically - force doing work 2) Electrically - work done by moving charges 3) Heating/Radiation - light, sound How can work be done? - ANSWERWhen a current flows or by a force moving an object Kinetic energy formula - ANSWERE...

aqa a level physics paper 1 Questions & Answers(Graded A+)What is meant by work function (2) - ANSWERMinimum energy required by an electron to escape from (1) a metal surface (1) What is meant by ionisation energy? (2) - ANSWERMinimum energy required to remove an electron from an atom (1) from the ground state (1) Why do emitted electrons have a kinetic energy that varies up to a maximum value? (4) - ANSWEREnergy of a photon is fixed/constant (1) Energy is required for electrons to overco...

Physics paper 1 2023 Accurate 100%step-up transformer (first transformer in a national grid diagram) - ANSWERa transformer that increases voltage step-down transformer (second transformer in a national grid diagram) - ANSWERa transformer that decreases voltage transformer - ANSWERA device that increases or decreases the voltage of alternating current

AQA A level Physics Paper 1 Questions & AnswerCurrent - ANSWERRate of flow of charge Coulomb - ANSWERThe amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWERThe work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWERThe voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWERWhen very little currency can flow in the reverse d...

Physics paper 1 2023_2024 100% Accurate! Question 1.1 - ANSWERIncrease Decrease What equation links current power and resistance? - ANSWERP=I^2R Calculate the resistance - ANSWERP= I^2R work out calc Write down the equation which links efficiency, total energy input and useful energy output? - ANSWEREfficiency = useful energy output/total energy input Calculate the useful energy output from this power station? - ANSWERX both num together Suggest why the student left the themo...

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CHEM 103 EXAMCHCHEM 103 EXAM BUNDLEEM 103 EXAM BUNDLE BUNDLECHEM 103 EXAM BUNCHCHEM 103 EXAM BUNDLEEM 103 EXAM BUNDLEDLECHEM 103 EXAM BUNDLE