निम्नलिखित में से कौन-से तापन तत्व में न्यूनतम संचालन तापमान होता है?

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SSC JE EE Previous Year Paper 15 (Held On: 26 Sep 2019 Evening)
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  1. ग्रेफाइट 
  2. कंथाल
  3. यूरेका
  4. निक्रोम

Answer (Detailed Solution Below)

Option 3 : यूरेका
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Detailed Solution

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पदार्थ 

गलनांक 

यूरेका

1221 से 1300o C

कंथाल

1425 o C

निक्रोम

1400 o C

ग्रेफाइट 

4000 o C

 

अतः दिए गए विकल्पों में से यूरेका में न्यूनतम संचालन तापमान होता है।
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