ट्रांजिस्टर बनाने के लिये – McqOptions

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1.	ट्रांजिस्टर बनाने के लिये सर्वाधिक प्रयुक्त पदार्थ है -
A.	एल्युमिनियम
B.	सिलिकॉन
C.	ताँबा
D.	चाँदी
Answer» C. ताँबा

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