vidyut dhaara

aaveshon ke pravaah ki disha se dhaara ki disha nirdhaarit hoti hai.

vidyut aavesh ke gati ya pravaah mein hone par use vidyut dhaara (ilektrik karent) kehte hain. iski SI ikaai empeeyar hai. ek koolamb prati sekend ki dar se pravaahit vidyut aavesh ko ek empeeyar dhaara kaheinge.

anukram

paribhaasha

dhaara ka parimaan yukti
1 mA maanav ko iska aabhaas ho paata hai.
10 mA prakaash utsarjak daayod
100 mA vidyut ka jhatka
1 A balb
10 A 2000 W ka heetar
100 A motaragaadiyon ka staartar motor
1 kA railgaadiyon ki motor
10 kA rinaatmak tadit[1]
100 kA dhanaatmak tadit[1]

kisi satah se jaate hue, jaise kisi taanbe ke chaalak ke khand se; vidyut dhaara ki maatra (empeeyar mein maapi gayi) ko paribhaashit kiya ja sakta hai :- vidyut aavesh ki maatra jo us satah se utane samay mein gujri ho . yadi yadi kisi chaalak ke kisi anuprasth kaat se Q koolamb ka aavesh t samay mein nikla; to ausat dhaara

maapan ka samay t ko shoonya (rending to zero) banaakar, hamein tatkshan dhaara i(t) milti hai :

empeeyar, jo ki vidyut dhaara ki SI ikaai hai.


dhaatu ke taar mein dhaara

ek dhaatvik taar vidyut chaalan hetu anek taaron mein banta hua taanbe ka taar

dhaara ghanatv

ikaai kshetrafal se pravaahit hone waali dhaara ki maatra ko dhaara ghanatv (kareint densiti) kehte hain. isse J se pradarshit karte hain.

yadi kisi chaalak se I dhaara pravaahit ho rahi hai aur dhaara ke pravaah ke lambavat us chaalak ka kshetrafal A ho to,

dhaara ghanatv

iski ikaai empeeyar / varg meter hoti hai.


yahaaain yeh maan liya gaya hai ki dhaara ghanatv, chaalak ke poore anuprasth kshetrafal par ek samaan hai. kintu adhikaansh sthitiyon mein aisa naheen hota hai. udaaharan ke liye jab hi chaalak se bahut adhik aavruti ki pratyaavarti dhaara (jaise 1 mega harts ki pratyaavarti dhaara) pravaahit hoti hai to uske baahari satak ke paas dhaara ghanatv adhik hota hai tatha jyon-jyon satah se bheetar kendra ki or jaate hain, dhaara ghanatv kam hota jaata hai. isi kaaran adhik aavruti ki dhaara ke liye mote chaalak banaane ke bajaay bahut hi kam motaai ke taar banaaye jaate hain. isse taar mein namyata (fleksibiliti) bhi aati hai.


== vidyut aaveshon ki bahaav gati == 30000

om ka niyam

om ka niyam kehta hai, ek aadarsh pratirodhak mein pravaahit dhaara, vibhvaantar ke samaanupaati hoti hai. doosare shabdon mein,

jahaaain

I hai dhaara, empeeyar mein
V hai vibhvaantar, volt mein
R hai pratirodh, ohm mein

paramparaagat dhaara

vidyut dhaara ki disha : paramparaagat roop se dhanaatmak aavesh ke pravaah ki disha mein maana jaata hai. at: ilektraanon ke pravaah ki disha ke vipreet disha hi dhaara ki disha hai.

udaaharan

praakrutik udaaharan hain aakaasheeya vidyut ya taङait (Damini) evam saurya vaayu, jo ki srot hai uttareeya dhruvaprabha evam dakshineeya dhruvaprabha ka. iska maanav nirmit roop hai dhaatvak chaalakon mein aaveshit ilektraun ka pravaah, jaise shiropari vidyut prasaaran taar lambe doori hetu, evam chhote vidyut evam electronic upakaranon mein vidyut taar. baitari ke andar bhi ilaiktraun ka pravaah hota hai.

empeeyar ke niyam anusaar, vidyut pravaah chumbakeeya kshetr banaata hai.

vidyutachumbakatv

vidyut pravaah chumbakeeya kshetr banaata hai.. chumbakeeya kshetr ko chaalak taar ko ghere hue, ghumaavadaar kshetreeya rekhaaon dvaara aabhaasit kiya ja sakta hai.

vidyut dhaara ko seedhe gailvainomeetar se maapa ja sakta hai. parantu is prakriya mein paripth ko toङaana paङaata hai. dhaara ko bina paripth ko toङae bhi, uske chumbakeeya kshetr ko maap kar, naapa ja sakta hai. ye upakaran hain, hall prabhaav sanvedak, karant klaimp, rogovski kundali.

== vidyut suraksha == vidhut se suraksha ke liye sabhi dhaaraavaahi bhaag ko inasulet kiya jaata hai ! vidhut paripth ke suraksha liye paripth me uchit maan ka fuse/mcb lagaaya jaata hai

sandarbh

  1. a aa (angreji mein) saaaincha:Lien web

inhein bhi dekhein

Nuvola apps ksim.png
Electronics praveshadvaar

baahari kaङaiyaaain