समांतर चालणाऱ्या दोन प्रत्यावर्तकांविषयी विचार करा. आता जर एखाद्या प्रत्यावर्तकाचे उद्दीपनात बदल केले तर

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 3
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  1. वारंवारितेत बदल
  2. उर्जा गुणकामध्ये बदल 
  3. वेगामध्ये घट
  4. भार मागणीमध्ये बदल

Answer (Detailed Solution Below)

Option 2 : उर्जा गुणकामध्ये बदल 
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  • प्रत्यावर्तक च्या बाबतीत विद्युतसमस्थानकाचे क्षेत्र, उद्दीपनात बदल किंवा त्याच्या प्रवाहक्षेत्रात वापरले जाऊ शकते.
  • जर प्रत्यावर्तक समांतर चालत असतील, तर प्रवाह क्षेत्रामध्ये बदल करून सामायिक केलेली सक्रीय शक्तीमध्ये लक्षणीय बदल होणार नाही पण संचालन उर्जा गुणक बदलू शकेल.
  • उत्तेजनेतल्या बदलासह, आर्मेचर प्रवाह बदलेल, जो अल्प संख्येने सक्रीय शक्तिमध्ये बदल घडवेल.
  • जर उत्तेजना कमी झाली, तर उर्जा गुणक अधिक मागे पडतो. 
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