Nikola Tesla

**Nikola Tesla** (10 July 1856 Smiljan, Croatia – 7 January 1943 New York) inventor, physicist, mechanical engineer, aur electrical engineer rahaa. Uske janam Smiljan, Austria-Hungary, abhi Republic of Croatia me bhais rahaa. Uu baad me ek American citizen ban gais rahaa.

Uu radio ke ek pahile ke form ke banais rahaa. Uske khaas discoveries magnetism aur electricity ke field me rahaa. Uske Alternating current ke develop kare khatir jaana jaawe hae. 

SI jisse magnetic flux density nai to magnetic induction (commonly known as the magnetic field naapa jaawe haeB\,), tesla hae , jon ki uske naam se aais hae. Uu dher rakam ke oscillators ke bhi invent karis hae.

Jab ke Tesla aapan discoveries ke khatir famous rahaa, uu jab maraa tab uu bahut garib rahaa. Uske radio banae ke credit khaali uske maut ke baad mila. Dher lag Tesla ke "mad scientist" bolat rahin. Tesla aapan pahila kaam Budapest me suruu karis, ek telephone company me. Uu aapan jawani me bhi chij ke invent karat rahaa, jaise ki telphone ke khatir loudspeaker. Uske obsessive-compulsive disorder rahaa aur Budapest me kaam krte ke time uske nervous breakdown hoe gais.

## Jawaani ke din
### Bachpan

Nikola Tesla ke janam 10 July 1856  ke janam Smiljan gaon,  Military Frontier of the Austrian Empire (present-day Croatia) me ek  ethnic Serb palwaar me bhais rahaa. Uske pitaji, Milutin Tesla (1819–1879),  Eastern Orthodox Church me ek padhri rahaa. Uske pitaji ke bhaiyaa, Josif ek lecturer rahaa, ek military academy me aur dher book  mathematics ke baare me lokhis rahaa.

Tesla ke maiyaa, Georgina "Đuka" Mandić (1822–1892), jiske pitaji bhi  Eastern Orthodox padhrri rahaa, ke ek talent rahaa  home craft tools and mechanical appliances ke banae ke aur ability to memorize Serbian epic poems bhi. Đuka ke kabhi  formal parrhai nai milaa rahaa. Tesla ke credit karaa jaae hae uske eidetic memory aur creative abilities uske maiyaa ke genetics aur influence ke kaaran.

Tesla, paanch larrkan me se chauthaa rahaa. 1861 me, Tesla primary school Smiljan me parrhis rahaa, jahaan pe uu  German bhasa, arithmetic, aur dharam sikhis rahaa. 1862 me, Tesla ke palwaar, bagal ke  Gospić town me bas gae rahin, jahaan pe Tesla ke pitaji  parish priest ke kaam karis rahaa. Nikola primary school ke khalaas karis, jiske baad uu middle school me parrhis. Baad me uu aapan patent application me, American citizenship le se pahile, Tesla apne ke "of Smiljan, Lika, border country of Austria-Hungary" identify karat rahaa.

### Sikchhaa

1870 me, Tesla Karlovac move bhais rahaa  high school attend kare ke khaatir Higher Real Gymnasium me, jahaan pe classes German me lewa jaawat rahaa, jaise ki uu time Austro-Hungarian Military Frontier schools me rahaa . Tesla baad me ii likhis rahaa ki uske bhautik vijyan me interest barrhaa jab uske physics professor electricity ke demonstrate karis rahaa.   Ii "mysterious phenomena" ke kaaran uu maangat rahaa "to know more of this wonderful force". Uu aapan man me  integral calculus kar lewat rahaa, jiske kaaran uske teaher log sochat rahin ki uu  cheat kare hae. Uu chaar saal ke kaam, tiin saal me khalaas kar ke  1873 me graduate bhais rahaa.

Graduate hoe ke baad,  Tesla, Smiljan laut gais lekin uske  cholera hoe gais, aur uu nau mahina talak khatia pakrris rahaa aur kuch dafe maut ke nagiich rahaa.  Despair ke time, Tesla ke pitaji (jon pahile maangat rahaa ki uu padhri bane), Promise karis ki uu Tesla ke sab se achchhaa engineering school me parrhe ke bheji agar uu aapan bemari se achchhaa hoe jaawe. Tesla baad me batais ki uu Mark Twain ke pahile ke kaam ke parrhis rahaa, jab uu bemaari se achchhaa howat rahaa.  

Agle saal, Tesla  conscription into the Austro-Hungarian Army in Smiljan se bach gais, kaaheki ki uu bhaag ke  southeast of Lika to Tomingaj, near Gračac gais rahaa. Huan pe uu pahaar ke explore karis rahaa, ek sikaari ke kaprraa pahin ke.  Tesla bolis rahaa ki , natur se ii contact uske aur tagrraa kar diis rahaa, duuno physically aur mentally. 1875 me uu Imperial-Royal Technical College in Graz , Military Frontier scholarship me enropl karis rahaa. Tesla nau exam ke pass karis rahaa (jon jarurat se dugnaa rahaa) aur uske ek letter of commendation  dean of the technical faculty se mila uske pitaji ke, jis me likha rahaa, "Your son is a star of first rank." Graz me, Tesla lectures on electricity presented by professor Jakob Pöschl se facinated rahaa. Lekin uske tiisra saal talak uu fail hoe lagaa aur fail hoe gais rahaa , aur uu Graz ke December 1878 me chorr diis rahaa. Ek biographer ii suggest karis hae ki Tesla study nai karat rahaa aur saait uske  gambling aur womanizing ke khaatir expel karaa gais rahaa.

Tesla ke palwaar ke uske baare me kuchh nai pataa rahaa jab uu school ke chhorr diis rahaa.   Ek rumour rahaa ki uu bagal ke naddi me duub gais rahaa, January me uske ek classmate uske   town of Maribor me mila aur  Tesla palwaar ke iske baare me batais  rahaa. Ii baat rahaa ke  Tesla eka draftsman ke kaam, 60 florins per month me karat rahaa. March 1879 me, Milutin aakhri me aapan larrka ke paais aur kosis karis ki uu ghare laute aur parrje ke khaatir Prague jaae. Tesla Gospić uu mahina ke baad me lautis lekin uske deprt kar dewa gais kaaheki uske lage residence permit nai rahaa. Tesla ke pitaji agle mahina mar gais,  17 April 1879 me, 60 saal ke umar me koi anjaan bemaari se.

## Duusra websites
* Nikola Tesla Museum
* Tesla's Wardenclyffe Science Center Plaque http://www2.timesreview.com/SUN/stories/S121109_Tesla_psh
* NikolaTesla.fr  - More than 1,000 documents on Tesla