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What we will do What we will learn 13Px 07 Here-turi-kōkā 2017

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Presentation on theme: "What we will do What we will learn 13Px 07 Here-turi-kōkā 2017"— Presentation transcript:

1 What we will do What we will learn 13Px 07 Here-turi-kōkā 2017
Preliminaries and roll How to kick off well Revisit the shape of the graphs of V and I vs t for both charging and discharging a capacitor How current and voltage vary with time – both NCEA3 version and Physics101 version. Burn “time constant” into our memory What a time constant is If time is used well, have some more HRT How to make great use of time towards the 20th of November (105 days) Examine a puzzle: the loss of a lot of energy when a capacitor is charged up How to examine a situation carefully and find the missing “bit” Set some new HW and have some HRT

2 HW item Skills practiced Elex: Pages 165 - 167
Due Thursday, the 10th of Aug 2017 Capacitors and Capacitance Elex: Pages Time Constant plus currents and voltage on charging and discharging Elex: Pages Due Tuesday, the 15th of Aug 2017 Energy stored on a charged capacitor

3 Homework Marking No. of marks What for 1
Having sketches & FULL working for all Neat presentation and down-page format Answer underlined and units given Self marked and all correct – eventually In on time and signed for (“This is my own work”…….) Total A mark out of five that will contribute to the “homework” grade in the reports

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