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Thank you for sharing your knowledge of these fascinating machines!

Time stamp (3:34) The field coil, by the way, 'forces' more flux thru the iron than it would be able to do thru air of the same length of path. The operative word here is permeablity.

"Force does not exist physically in the same way that an object with mass does. This means that force cannot make surface contact with an object, much less push or pull it. The initial cause of all bodies in motion originates from the applied energy (E), which creates the momentum (p) necessary to make surface contact with an object, thereby enabling it to push and pull. This concept is mathematically expressed as Ep or the equation Ep = ma. Note: Ep is not to be confused as “Kinetic Energy” in any way. Force was originally used as a placeholder by Sir Isaac Newton because he did not know the true nature of this Force." ~Professor Guadalupe Guerra from Laredo, Texas c/s

Great event for Me. Glad you had someone to repair it. : = }}

what was the answer, so i can check?

That was Interesting and easy to understand. Thank you very much 😄🙌

Good Explanation 🌟

This is the first video I've watched that clearly laid out the terms in the equation (at 06'30"). I finally 'get it'. Thank you!

Thankyou so much sir

what if m1 was not provided how could i calculate how much m1 is

Thanks

Love the video, keep up the great work.

Nts Watched all of it 10:35

thank you very much for creating this video

thank you sir!

from pakistan ❤❤❤

how do you know if the charge is positive or negative?

❤❤❤❤ why my teacher's aren't like you

❤❤❤❤

You are so cool. Thank you for your help! You seem like a really awesome guy!

Perfect experimental and theoretical video. Thank you very much Sir.❤

how did it generate any electricity? that should be impossible, because there is no magnet in the "edison motor" , unless the iron core was slightly magnetised, therefore created some current.

Awesome

this is quite possibly the greatest physics video in existence

Thanks from Bangladesh

Thanks from Bangladesh

huddle up, team. here's a pep talk. we're gonna show those masses whose in control. It's G!

What a great video!!

thank you so much for posting this i have a test tomorrow on this, and i missed the lesson in class, and now this all makes so much more sense

9:39 how?

Outstanding quality, I hope WHS students know how lucky they are! Bob Crowley's demo is one for the ages.

Solid info

The larger spheres that you use to pull the smaller ones, if pseudoscience. If gravity was real, what you could do is put even larger spheres opposite of the other ones and the ones in the contraption should be drawn to the larger ones instead of the smaller ones. But alas, no one does that.

its really helpful sir

Awesome to possess that piece of history 👍

Edison ? Was a scam stole his info from others

It can be interesting to go into detail as to how the magnetic field is first produced, the ‘self exciting’ part of the generator. Without a residual magnetic field permeating the iron material, the machine cannot generate current (coils of conductive material alone can’t be arranged in such a way as to produce a generator without some residual current or a residual magnetic field, though can be used as a motor). That induced magnetic field, critical for its function as a generator, can be a tricky thing to explain to students. 😅

Can you explain everything which mention you on board. Your experiment setup very good. Please explain theory also. Each and every term as early as possible.

That old motor is very cool. It's what they call a series wound motor. The armature and field are wired in series. When demonstrating this as a generator, remember the field is an electromagnet, not a permanent magnet like the little motors you have. The only magnetism in the field is a bit of residual magnetism left over from when you had it connected to the power.

4:18 that's a stator. If you are going to spell it out, spell it correctly.

thomas edison didn't invent any thing , he was a LIAR and a THIEF Everyone else invented things but because they worked for this piece of Scum , He took the credit

just think how difficult it would be to recreate the old hardware instruments of Edison, Ohm, Faraday, etc. today with the same primitive techniques of yesterday and look the same? ⏳🧵🧐thanks🤩🥞☕ nice wall clock 🙃

you deserve many more subscribers. loved this video

..if I coil a Neodymium and run charge around it will it make the magnet stronger..?

Nice work. It is time we find more people to indulge in simple science. Keep inspiring.

Love your presentation, love the way you get excited and clap your hands or bang the table. I enjoyed your enthusiasm. Good luck and God bless you.

Need to discuss the wattage handling capabilities of the variable resistor you used. 😁👍

I used a "wall wart" power supply having 15 volt DC output rated 1 Amp as a car battery charger. The power supply got very hot....so I took a 10 ohm 10 Watt rated ceramic resistor I had laying around and installed it in series with positive output wire. The power supply now stays reasonably cool and charges car batteries (I just hafta monitor battery voltage with volt meter - when it gets around 12.6 to 13 volts I stop charging). I didn't go thru any calculations to determine what value resistor was needed - just used what I had on hand because I needed to get my car running! The cheap charger still works too! Oops! Forgot...the 10 ohm resistor now gets hot. 😁👍

Good old school simple teaching method...well done! Now if only he could explain why magnetism exists to begin with - that would be golden! (Nobody has the answer - it's still a mystery). 😁👍

would interesting to see 2 edison generators coupled, so that the first powers the big coils on the second increasing that magnetic field, would the output be much higher from the rotor on the second generator ?