vidyut dhaara

vidyut aavesh ke gati ya pravaah mein hone par use vidyut dhaara (ilektrik karent) kehte hain. iski SI ikaai empeeyar hai. ek koolamb prati
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
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

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,
jahaaain
paramparaagat dhaara

udaaharan
praakrutik udaaharan hain

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
inhein bhi dekhein
Electronics praveshadvaar |
- pratyaavarti dhaara
dhaara ghanatv ekadisht dhaara vidyut chaalan SI ikaaiyaaain - om ka niyam