एक शंट जनित्र में 224 V का e.m.f. प्रेरित होता है। भार की आपूर्ति करते समय, टर्मिनल वोल्टेज 204 V तक गिर जाता है। आर्मेचर और शंट क्षेत्र प्रतिरोध क्रमशः 0.05 Ω और 20 Ω हैं। आर्मेचर प्रतिक्रिया को नगण्य मानते हुए भार-धारा कितनी होगी?

This question was previously asked in
ESE Electronics 2018: Official Paper
View all UPSC IES Papers >
  1. 376.0 A
  2. 389.8 A
  3. 400.0 A
  4. 410.2 A

Answer (Detailed Solution Below)

Option 2 : 389.8 A
Free
ST 1: UPSC ESE (IES) Civil - Building Materials
20 Qs. 40 Marks 24 Mins

Detailed Solution

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जनित्र प्रेरित emf Eg = 224 V

टर्मिनल वोल्टेज V = 204 V

क्षेत्र प्रतिरोध Rf = 20 Ω

क्षेत्र धारा 

आर्मेचर प्रतिरोध, Ra = 0.05 Ω

आर्मेचर पात = 224 – 204 = 20 V

आर्मेचर धारा 

भार-धारा

 IL = Ia – If = 400 – 10.2 = 389.8 A

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