కేబుల్ యొక్క సర్జ్ ఇంపెడెన్స్ అంటే ఏమిటి?

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ALP CBT 2 Electrician Official Paper (Held On: 23 Jan 2019 Shift 3)
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  1. 5 Ω 
  2. 20 Ω
  3. 10 Ω
  4. 50 Ω

Answer (Detailed Solution Below)

Option 4 : 50 Ω
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సర్జ్ ఇంపెడెన్స్ కోసం సమీకరణం ఇవ్వబడింది

\({Z_s} = \sqrt {\frac{L}{C}} \)

క్కడ, L =హెన్రీలో ఇండక్టెన్స్ 

C = ఫారడ్‌లో కెపాసిటెన్స్

రేఖను అనంత రేఖగా సూచించే ఇంపెడెన్స్‌ను సర్జ్ ఇంపెడెన్స్ అంటారు. దీని విలువ సుమారు 400 ఓంలు మరియు ఓవర్‌హెడ్ లైన్‌ల కోసం 0 నుండి -15 డిగ్రీల దశ కోణం మరియు భూగర్భ కేబుల్‌ల కోసం సుమారు 40 ఓంలు ఉంటుంది.

ఓవర్ హెడ్ లైన్ కోసం సర్జ్ ఇంపెడెన్స్ విలువ 400-600 Ω ఉంటుంది.

భూగర్భ కేబుల్ కోసం సర్జ్ ఇంపెడెన్స్ విలువ సుమారు 40-60 Ω.

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