कौन सी धातु का अच्छा सुचाल� – McqOptions

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1.	कौन सी धातु का अच्छा सुचालक है, परन्तु बिजली का बुरा -
A.	स्वर्ण
B.	अभ्रक
C.	ताँबा
D.	चाँदी
Answer» C. ताँबा

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