1 AC electrical theory An introduction to phasors, impedance and admittance, with emphasis on radio frequencies. By David W. Knight* Version 0.11. 5th June 2012. © D. W.…

1 AC electrical theory An introduction to phasors, impedance and admittance, with emphasis on radio frequencies. By David W. Knight* Version 0.11. 5th June 2012. © D. W.…

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1. Trig & Pythag - 1 What is Pythagoras’ theorem? a² + b² = h² (where h is the hypotenuse) 2. Trig & Pythag - 2 How long is the hypotenuse? h = 18cm 10cm15cm…

1. Yr 11 Non-Calculator Revision 2. Multiplication • £1.82 x 15 = • 3.28 x 13 = • 4.56 x 1.8= Remove decimals Multiple –…

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Slide 1 C4: Chapter 5 – Vectors Dr J Frost ([email protected]) Last modified: 11 th February 2015 Slide 2 RECAP: GCSE stuff A vector has both direction and…