रबर का परावैद्युत सामर्थ्य कितना होता है?

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SSC JE EE Previous Year Paper 2 (Held On: 22 Jan 2018 Evening)
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  1. 3 kV/mm
  2. 10 kV/mm
  3. 30 kV/mm
  4. 300 kV/mm

Answer (Detailed Solution Below)

Option 3 : 30 kV/mm
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परावैद्युत सामर्थ्य:

यह विभिन्न सामर्थ्य आवृत्तियों पर रोधक सामग्री के विद्युत सामर्थ्य को दर्शाता है।

यह वोल्टेज प्रति यूनिट मोटाई है जिस पर सामग्री विद्युत का संचालन करती है

सामग्री

परावैद्युत सामर्थ्य (kV/mm)

वायु

3

तेल

5-20

रबड़

30-40

माइका

118

एल्युमिना

13.4

डायमंड

2000

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