7Px 29 Mahuru 2011 What we will do What we will learn Preliminaries and roll. That it is important to start well Compare the steady state of an LR DC circuit.

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Presentation transcript:

7Px 29 Mahuru 2011 What we will do What we will learn Preliminaries and roll. That it is important to start well Compare the steady state of an LR DC circuit with the transient start-up situation That there is a “shake-down” period before things even out Extend our knowledge yesterday into the transient state using the “blurb” for Unit 7 The importance of the ratio of L to R, the relevance of 37% and 63% and the link between Inductor Voltages and Circuit Currents Examine the amount of energy stored in an inductor How to find the amount of stored energy Set a due date for Unit 7 HW and have some HRT How to influence our workstream and use time wisely

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

HW item Skills practiced 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 Induction Unit 5 Due Wednesday 05 Oct 11 Transformers Induction Unit 6 Due Friday 07 Oct 11 Self Inductance Induction Unit 7 Due Friday 07 Oct 11 Transient Voltages in LR DC circuits