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7Px 26 Mahuru 2011 What we will do What we will learn Preliminaries and roll. That it is important to start well Examine what a transformer is (not a movie.

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Presentation on theme: "7Px 26 Mahuru 2011 What we will do What we will learn Preliminaries and roll. That it is important to start well Examine what a transformer is (not a movie."— Presentation transcript:

1 7Px 26 Mahuru 2011 What we will do What we will learn Preliminaries and roll. That it is important to start well Examine what a transformer is (not a movie star!) How energy transmission reduces heat losses and people stay alive when mixing concrete Look at efficiencies of machines, power inputs and outputs, voltage inputs and outputs, current inputs and outputs plus primary and secondary winding numbers! (whew!) How to predict outcomes for transformer use (a HUGE industry) (lots of employment opportunities) Set a due date for Unit 5 and have some HRT on it. How to influence our own workstream.

2 No. of marks What for 1 Having sketches and FULL working 1 Neat presentation and down-page format 1 Answer underlined and units given 1 Self marked and all correct – eventually 1 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

3 HW item Skills practiced Practical Investigation Unit 4 Due Wednesday 24 Aug 11 The production of a discussion in a written report on a practical investigation Induction Unit 1 Due Friday 23 Sept 11 NCEA2 Electromagnetic Induction revision Induction Unit 2 Due Wednesday 28 Sept 11 Faraday’s Law and Lenz’s Law Induction Unit 3 Due Monday 03 Oct 11 Direction of Induced Voltage Induction Unit 4 Due Monday 03 Oct 11 Mutual Inductance

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