Can a qualified electrician with over 20 years on the tools still pass a Level 3 Electrical Science and Principles mock exam? ⚡Tool Box Talk Products to help aspiring sparks - https://toolboxtalkforelectricians.kit.com/productsThis is the one I was not looking forward to.After passing and failing a few of the other mock exams, I went back onto the Electmate app to take on Level 3 Paper 3: Electrical Science and Principles.And this one was full of calculations.In this video I cover:✅ Level 3 electrical science exam✅ Electrical principles mock exam✅ Ohm’s law questions✅ Resistors in series and parallel✅ Three-phase calculations✅ Transformer current questions✅ Power factor correction✅ Reactive power✅ Capacitive reactance✅ Inductive reactance✅ Motors and slip✅ DOL starters✅ CT clamps✅ Voltage drop✅ Lighting design and lux calculations✅ RMS and peak voltage✅ Energy, power and time✅ Electrical theory vs real-world site work✅ Electrician exam revision✅ Real electrician taking exams againSome of the questions I could work out from site experience.Some of them came back from the depths of my brain.And some of them… I had absolutely no chance without revision and formulas in front of me. 😂This exam shows the difference between being able to do the job in the real world and remembering the theory needed to pass electrical science papers.I’ve tested resistance loads for years.But have I sat there calculating capacitive reactance, transformer primary current or lighting lux levels on a normal domestic job?Not really.So, did I pass?No.Complete fail.But it was interesting to see what’s expected at Level 3 and what apprentices are having to learn now.Would you have passed this one?Drop your score in the comments.📌 Subscribe for more electrician exam videos, apprentice training, electrical theory, Level 3 revision and real-world sparky content.🎧 Listen to Toolbox Talks for Electricians for more ways to reduce stress, gain back time and earn more money.

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