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The video is long, but I won't leave out a word about the spiral, God willing, and all the high-level ideas are in it. Can we divide the video into two parts? The first part from the beginning of the video until minute 56: the shape of the field, determining the direction of the field, calculating the flux density, and solenoid questions. The second part from minute 56 until the end of the video: ideas for the questions. Good luck ❤❤