Impedance Explained.

Video Description

In this video I compare similarities from the physical world that you can see and touch, to help share how I think about Impedance. You will learn about “Opposing” forces called “Reactance” and how these, together with “Resistance” combine to form what we call “Impedance”. Whilst I do go through some formulas, these are not the key intended purpose of the video. For many people, the formulas are not really important. What is more important, is to be able to visualise in your mind exactly what is going on with AC circuits and to imagine that in a way that makes sense to you. I hope the analogies I share, which I have picked up from others over the years, really help your thinking as much as it has me. See my follow up video explaining Impedance Matching here:- https://youtu.be/5p0v7ZU0WcA Also my video explaining Capacitor Charge Timing here:- https://youtu.be/mllC-hiBepY?si=9E1EPhpKMG95L_KR Topics Covered ------------------------- - Resistance - Impedance and opposition to current flow - Capacitors - Capacitive Reactance - Inductors - Inductive Reactance - Impedance Triangle Symbols -------------- R = Resistance, measured in Ohms Z = Impedance, measured in Ohms X = Reactance, measured in Ohms C = Capacitance, measured in Farads L = Inductance, measured in Henrys Xc = Capacitive Reactance, measured in Ohms XL = Inductive Reactance, measured in Ohms ⏱️Timeline ------------------- 00:00:00 – Introduction - Measuring a Speaker 00:33:00 – PKAE Theme Intro 00:43:00 – Ohms Law 00:02:05 – One Guy Missing ‘X’ 00:02:35 – “Reactance” – Two Forms 00:03:02 – Capacitive Reactance Explained 00:05:20 – Bicycle Pump Analogy 00:06:26 – Capacitive Reactance Frequency Influence 00:07:23 – Capacitive Reactance Formula Explained 00:08:33 – Bench Testing a Capacitor’s Impedance 00:10:10 – Inductive Reactance Explained 00:10:58 – Fly Wheel Analogy 00:12:02 – Inductive Reactance Frequency Influence 00:13:02 – Inductive Reactance Formula Explained 00:14:14 – Bench Testing an Inductor’s Impedance 00:15:16 – Reactance Summarised 00:15:31 – Example Circuit Impedance Calculations 00:17:50 – The Impedance Triangle 00:21:17 – Calculating Phase Angle 00:22:15 – Wrap Up ISCVE: If you are interested in networking with industry leaders and experts in Public Address and Voice Alarm (PAVA) systems, visit the Institute of Sound, Communications and Visual Engineers (ISCVE). It’s a great place to build connections, learn from the best, and grow your career. 🔗https://iscve.org.uk/training-development/ 🎶Intro Music from #inaudio :- https://inaudio.org/ Track = OddVision-HYPER POP