7 Px 19 Mahuru 2013
7
7Px 19 Mahuru 2013 What we will do What we will learn Preliminaries and roll The importance of starting well Examine how to get a current in a coil with no battery – briefly How to use flux linkage to drive a current Do the above – continuously About the delta in Faraday’s law See how the primary coils ADD flux and how the secondary coils USE flux How the energy is moved in a transformer See the ratios involved in perfect transformers How perfect transformers work and why we use them See a general definition of That nothing is perfect
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7 Px 19 Mahuru 2013. Important Notice. Tomorrow is Abbey’s birthday. 7 Physics Homework Marking. - PowerPoint PPT Presentation
Transcript of 7 Px 19 Mahuru 2013
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7Px 19 Mahuru 2013What we will doWhat we will learnPreliminaries and rollThe importance of starting wellExamine how to get a current in a coil with no battery brieflyHow to use flux linkage to drive a currentDo the above continuouslyAbout the delta in Faradays lawSee how the primary coils ADD flux and how the secondary coils USE fluxHow the energy is moved in a transformerSee the ratios involved in perfect transformersHow perfect transformers work and why we use themSee a general definition of efficiency and how it applies to transformersThat nothing is perfect and perfection is impossibleSet some new HW & have some HRTAnd bring slide 3 up-to-dateHow to rehearse the skills we will need for exams
Tomorrow is Abbeys birthday
Important Notice
7 Physics Homework MarkingNo. of marksWhat for1Having sketches and FULL working1Neat presentation and down-page format1Answer underlined and units given1Self marked and all correct eventually1In on time and signed for (This is my own work.)TotalA mark out of five that will contribute to the homework grade in the reports
HW itemSkills practised WavesUnits 1 4 and unit 8: pp 21 35and pp 45 - 47Due Mon 12 August 13Superposition, Standing Waves, the Physics of MusicWavesUnits 5, 6, 7 and 9Due Wed 14 August 13Twin Source Interference and Doppler EffectWaves Test End of TopicFri 16 August 13 in period 5Everything in the Waves Achievement StandardWaves and Mechanics Mock Exam BookletsWed 28 August 13Everything we have learned in the Waves and Mechanics topics
