अमीटर

thumb|amitar amitar (aangrezi: Ammeter) ek vaijnanik upakaran hai. isaka upayog vidyut dhara ko empiyar mean mapane ke lie kiya jata hai. bahut kam matra vali dharaoan ko mapane ke liye prayukt yuktiyoan ko miliamitar ya maikroamitar kahate haian. dharamapi (gailvenomitar) ko amitar mean badalane ke liye usake kundali ke samantar kram mean ek chhota pratirodh dala jata hai.

mukhy batean

• jis shakha mean bahane vali dhara mapani ho, us shakha ko to dakar usake shrenikram (sirij) mean amitar lagaya jata hai.
• isaka pratirodh nyoonatam (adarsh roop mean shoony) hona chahiye.
• dharamapi (gailvanomitar) ko amitar mean badalane ke liye usake kundali ke samantar kram mean ek chhota pratirodh (ya shant) dala jata hai.
• kisi amitar ki paras (reanj) badhani ho to bhi usake samanatar kram mean shant lagaya jata hai.
• ajakal aankik (dijital) emitar prachalit ho gaye haian.
• amitar ke shrenikram mean pratirodh jo d kar isase vibhavanatar map sakate haian.

prakar

1. chal kundal aimitar (Moving-coil ammeters)
2. vidyuth gatikiy aimitar (Electrodynamic ammeters)
3. chal loh aimitar (Moving-iron ammeters)
4. tapt-tar aimitar (Hot-wire ammeters)
5. aankik aimitar (Digital ammeters)
6. samakalani aimitar (Integrating ammeters)

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

sanbandhit lekh

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