Question
Download Solution PDFखालीलपैकी कोणते वायर-कुंडलीत प्रतिरोधकांसाठी वापरले जाणारे साहित्य नाही?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFवायर कुंडलीत प्रतिरोधक:
यामध्ये मेटलकोअरभोवती एक धातूची तार वळण घेत आहे. प्रतिकारासाठी धातूची तार वापरली जाते आणि मेटलकोरचा वापर इन्सुलेटर म्हणून केला जातो.
वायरचा प्रतिकार खालील मिश्रधातूंनी बनलेला असतो:
- कॉपर-निकेल - मॅंगनीजला मॅंगॅनिन म्हणतात.
- कॉपर-निकेलला युरेका किंवा कॉन्स्टंटन म्हणतात
इन्सुलेटर सामग्री सिरेमिक, प्लास्टिक आणि काच आहेत
टीप: टंगस्टनचा वापर बल्बचे फिलामेंट बनवण्यासाठी केला जातो कारण त्यात वितळण्याचे बिंदू खूप जास्त असतात.
Last updated on Jun 11, 2025
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