Transformers Physics Problems – Voltage, Current & Power Calculations – Electromagnetic Induction

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34 thoughts on “Transformers Physics Problems – Voltage, Current & Power Calculations – Electromagnetic Induction

  1. I am myself a teacher. After a long time I have decided to return to school to further enhance my knowledge. Your videos are exceptionally helpful for me as I live in a third world country where availability of quality teachers is slim. Can you tell me where you graduated from and what you majored in? Your thorough explanations have inspired me to follow in your footsteps.

  2. The last time I did transformer calculations was when I was in college (electrical engineering), even then I struggle a bit. Not only did your video bring back memories, (back in the 80’s), but now helps me with the collection of unknown transformers I have. Excellent tutorial video, and explained in every detail, thank you…

  3. Clear and comprehensive – thank you. I have spent some time looking for a good video on the subject as I prepare for the Canadian amateur radio exam. This one is the best on this topic!

  4. what happens if instead of 18 resistor you plug a 10ohm, or 1ohm for that matter? I believe that focusing on voltage on the output is really misleading, the transformer output current is the formula that always stands, because in the case of a 10Ohm resistor, the voltage at the output of the transformer will be different from the formulas presented in this video.

  5. Excellent, clear explanation and at a comfortable pace. Great to use as a refresher ! Well presented and easy to follow. Well done, thanks for this !

  6. Easiest non complicated way I found to do this with your explanation was just finding the ratio and apply as needed. Learnt alot Cheers Sensei

  7. Excellent explanation, I’ve a question, without connecting a load to a secondary coil or simply the out put in both step up and step down transformer which is 99% efficient, does the transformer start consuming the power? Or it only starts consuming while a load is connected?

    1. Two capacitors when connected in series have a combined capacitance of 5uF.
      If the capacitance of one of them is 8iF
      -What is the capacitance of the other ????

      Please I do need a quick answer

  8. very clear tutorial. Thank you for this sir. Please keep uploading videos to help other people especially this time of pandemic where most of the students are in online class.

    1. Two capacitors when connected in series have a combined capacitance of 5uF.
      If the capacitance of one of them is 8iF
      -What is the capacitance of the other ????

      Please I do need a quick answer

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