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Lesson 1: Introduction
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This is the first lesson in the course, which describes as to why it is called the "war". Also, it went on to give a brief bio on Edison and Tesla.

Roman Saini is teaching live on Unacademy Plus

Roman Saini
Part of a great founding team at Unacademy with Gaurav, Hemesh. Movies, Guitar, Books, Teaching.

U
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1.rajsamand (kachballi) 2.jaipur(rojda) 3.rajsamand(mandavar)
Sir I tried downloading the videos thruh unacademy app bt couldn't download n I hav 320 credits .... plz help. I have my exam on 23
Abhishek Kumar
2 years ago
https://unacademy.com/discuss/t/how-to-download-unacademy-video/6707?u=crazyatom
Abhishek Kumar
2 years ago
You can visit this link. I think this might help you.
Preeti Singh
2 years ago
I tried but couldn't..."there is a problem in your subscription" - dis msg is being displayed
Abhishek Kumar
2 years ago
Check your connection and try again. Even then you are facing problem the just reinstall the app, login again and try to download.
Preeti Singh
2 years ago
I guess downloading the videos from the app is not possible now .... BT I will gv a try by uninstalling n again downloading
Subhendu Nayak
2 years ago
you can contact unacademy through email or twitter
sir what you doing is really appreciative.its really helpful for such students who belongs to poor families and cant join any coaching and other reasons they cant go delhi to take coaching or for girls whose parents dnt wnna teach them more nd pressurise for marry after graduation even they unable to think tht their dreams too be come true one day nd so they think its better to forget about all because its will be only reason of sorrow.i am really thankful to you sir for all.once again thank you so much sir.i really appreciate you for great work. pls sir make one course fr cse prepration, plan strategy nd best books.
I saw it on Nat Geo Documentary Edison vs Tesla American Genius series. Jobs vs Gates is my favourite episode. Thanks for reminding sir.
Love you sir for making such amazing lessons for us :)
sir could you please help me to resolve the doubt about the matter who will fall in creamy layer or non creamy layer category? a full detailed video according to new rule after 2015 along with criteria for salary,agriculture and other source and who are eligible to claim.how wealth tax will be applicable for OBC candidate.do you have to mention your parents ancestoral land in rural area in agricultural land in Your DAF.if you can arrange an experience from anyone who filled his DAF with OBC will be very beneficial.i have to fill form next month for ESE .
  1. War of currents: How Nikola Tesla and Thomas Edison shaped the future of electricity by Roman Saini


  2. Lesson 1: Introduction


  3. Why War?


  4. Nikola Tesla


  5. Thomas Edison


  6. Nikola Tesla Thomas Edison Patents Around 300 More than 1000 Modern AC electricity supply system Phono Graph, Motion picture camera, Light Bulb Inventions Sharp and successful businessman Business Acumen Mad Scientist