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Archives: Lessons

Electricity And The Relationship Between Current, Voltage and Resistance. Ohms Law

The most significant relationship between current, voltage and resistance is defined by Ohm’s Law. Ohm’s Law Ohms’ Law describes the relationship between Voltage, Current and Resistance. Named after Georg Ohm who discovered this relationship in 1827. He discovered some laws relating to the strength of a current in a wire. Ohm found that electricity acts …

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Summary

Well done, that’s the free trial done. We’ve been on a short journey together. Let’s reflect on what you learned. BUT there is a lot more. Here’s what you missed from the full version of the Introduction to Earthing Course. Expand All with the button below. The Final Say Let’s continue this journey to its …

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Course Info

Why take the Introduction to Earthing (Grounding) course? As part of today’s requirements, a competent earthing design is an absolute prerequisite to protect lives from the harmful effects of high-voltage which exist during a fault situation including lightning. Due to recent developments in international and national standards. New methodologies have proven to be real game-changers including the …

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The Earth (Ground) Electrode

In this lesson we will cover: What is an Earth (or ground) electrode The purposes of an Electrode What are some of the influencers on an electrode’s performance Brief introduction to geology’s role

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