लोहचुम्बकीय पदार्थ

भारत डिस्कवरी प्रस्तुति
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(aangrezi:Ferromagnetic) nikil, kobalt, loha tatha stil aur kee prakar ke mishrit dhatuoan ke padarth jo chumbak ke prati bahut zyada akarshit hote haian. in padartho ko lohachumbakiy padarth kaha jata hai. in lauhachumbakiy padartho ko chumbak banane mean adhik kam mean laya jata hai kyoanki in padartho mean shakti ki chumbakiy rekhayean asani se ar par nahian hoti haian. in padartho ke liye ek nirdharit tapaman hota hai is tapaman ko kyoori tapaman kahate haian. yadi isase oopar tapaman in padartho mean diya jaye to ye padarth apana chumbakiy akarshan shakti kho dete haian aur parachumbakiy chumbak ban jate haian.[1]

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panne ki pragati avastha
adhar
prarambhik
madhyamik
poornata
shodh

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tika tippani aur sandarbh

sanbandhit lekh

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varnamala kramanusar lekh khoj

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