Unit 3 - Samenvattingen en Aantekeningen

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AQA A level Physics Paper 1 Questions & 100% Correct Answers | Latest Update | Graded A+
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22

mei 2024

2023/2024

A+
Current : Rate of flow of charge Coulomb : The amount of charge passing a point when a current of 1A flows for 1s Potential difference : The work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode : The voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias : When very little currency can flow in the reverse direction of a diode 2 | P a g e Variable Resistor : Can be used to chang...
Axpert
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A level biology _ module 8 exam fully solved & updated
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24

mei 2024

2023/2024

A+
Explain how the structure of DNA is related to its functions (6 marks) - answer-- sugar-phosphate (backbone)/double stranded/helix so provides strength/stability/protects bases/protects hydrogen bonds - long/large molecule so can store lots of information - helix/coiled so compact - base sequence allows information to be stored/ base sequence codes for amino acids/protein - double stranded so replication can occur semi-conservatively/strands can act as templates/complementary base pairing/A-...
BRAINSCAPE1
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Aqa a level physics paper 1 Study Guide
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6

april 2024

2023/2024

A+
What is meant by work function (2) - ANSWERSMinimum energy required by an electron to escape from (1) a metal surface (1) What is meant by ionisation energy? (2) - ANSWERSMinimum 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) - ANSWERSEnergy of a photon is fixed/constant (1) Energy is required for electrons to overcome work function ø (1) Electrons deeper into/below th...
paugrades1479
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AQA A Level Physics Materials Advanced text
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5

april 2024

2023/2024

A+
Density - ANSWERSmass per unit volume Density is a SCALAR quantity Units of density - ANSWERSkg m-3 Hooke's Law - ANSWERSextension is proportional to the force applied, up to the limit of proportionality. Features of graph of force against extension confirming Hooke's Law - ANSWERSstraight line, through the origin. Units of spring constant - ANSWERSNm-1 Springs in series - ANSWERS• Both springs experience the same force F. • The total extension (of both springs together) i...
paugrades1479
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AQA A level Physics Paper 1 Final Exam
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12

april 2024

2023/2024

A+
Current - ANSWERSRate of flow of charge Coulomb - ANSWERSThe amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWERSThe work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWERSThe voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWERSWhen very little currency can flow in the reverse direction of a diode Variable Resistor ...
paugrades1479
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AQA A level Physics Paper 1 accurate Answers
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12

april 2024

2023/2024

A+
Current - ANSWERSRate of flow of charge Coulomb - ANSWERSThe amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWERSThe work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWERSThe voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWERSWhen very little currency can flow in the reverse direction of a diode Variable Resistor ...
paugrades1479
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AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier Physics Paper 1H May 2020 QUESTION PAPER
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32

juni 2023

2022/2023
AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier Physics Paper 1H May 2020 QUESTION PAPER parallel circuit same potential difference across each component, total current through the whole circuit is the sum of thhe currents through the separate components, total resistance of two resistors is less than the resistance of the smallest individual resistor direct current (DC) current always passes in the same direction (like when supplied by a cell or battery) alternating current (AC) cu...
StudyKey
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A-level PHYSICS 7408/3BC Paper 3 Section B Engineering physics[DOWNLOAD TO PASS]
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14

januari 2023

2022/2023
MARK SCHEME – A-LEVEL PHYSICS – 7408/3BC – JUNE 2021 5 answer should be quoted to 3 sf. An answer to 1 sf will not normally be acceptable, unless the answer is an integer eg a number of objects. In non-practical sections, the need for a consideration will be indicated in the question by the use of ‘Give your answer to an appropriate number of significant figures’. 3.9 Unit penalties An A-level paper may contain up to 2 marks (1 mark for AS) that are contingent on the candidate quot...
QuizGuider82
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A-level PHYSICS 7408/3BE Paper 3 Section B Electronics[DOWNLOAD TO PASS]
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17

januari 2023

2022/2023
MARK SCHEME – A-LEVEL PHYSICS – 7408/3BE – JUNE 2021 5 answer should be quoted to 3 sf. An answer to 1 sf will not normally be acceptable, unless the answer is an integer eg a number of objects. In non-practical sections, the need for a consideration will be indicated in the question by the use of ‘Give your answer to an appropriate number of significant figures’. 3.9 Unit penalties An A-level paper may contain up to 2 marks (1 mark for AS) that are contingent on the candidate quot...
QuizGuider82
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A-level PHYSICS 7408/3BD Paper 3 Section B Turning points in physics[DOWNLOAD TO PASS]
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13

januari 2023

2022/2023
answer should be quoted to 3 sf. An answer to 1 sf will not normally be acceptable, unless the answer is an integer eg a number of objects. In non-practical sections, the need for a consideration will be indicated in the question by the use of ‘Give your answer to an appropriate number of significant figures’. 3.9 Unit penalties An A-level paper may contain up to 2 marks (1 mark for AS) that are contingent on the candidate quoting the correct unit for the answer to a calculation. The need ...
QuizGuider82
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