Knowledge of Active, Reactive and Apparent power is must for every electrical engineer, but most of the time we end up with confusion in this topic. So, you want to make basics of all these powers I would recommend you to watch the video. It's the easiest explanation you'll ever find and it's now with improved audio and visuals.
Link for the videos:
1) current lags voltage in an inductor why? -
https://youtu.be/V_h0ftCvod4
2) How capacitor keeps the voltage constant | Explained -
https://youtu.be/u14L0-c6kCE
3) How capacitor Stores Energy | Explained -
https://youtu.be/d0dEtZm3lBA
4) Voltage vs EMF -
https://youtu.be/QTW5LcEaNkE
5) Where does the reactive power go? -
https://youtu.be/q5P_BlZsK5g
6) Types for Electrical loads -
https://youtu.be/98end5KEKPE
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