एकल फेज परिणामित्र (ट्रांसफार्मर) में होने वाला रूपांतरण अनुपात 2 है और इसका द्वितीयक प्रतिरोध 0.24 Ω है। इसके प्राथमिक के पदों के लिए द्वितीयक प्रतिरोध ज्ञात कीजिए।

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HPCL Engineer Electrical 01 Nov 2022 Official Paper
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  1. 0.6 Ω 
  2. 0.48 Ω 
  3. 0.12 Ω 
  4. 0.06 Ω 

Answer (Detailed Solution Below)

Option 4 : 0.06 Ω 
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सही उत्तर विकल्प 4):(0.06 Ω) है।

संकल्पना:

कुंडलन अनुपात =  \(N_1\over N_2\)

परिवर्तनीय अनुपात (K)= \(N_2\over N_1\)

जहाँ 

N1 =परिणामित्र के प्राथमिक कुंडलन में मोड़ों की संख्या। 

N2 = परिणामित्र के द्वितीयक कुंडलन में मोड़ों की संख्या में प्राथमिक के पदों के लिए द्वितीयक प्रतिरोध है 

R2' = \(R_2\over (K)^2\)

जहाँ 

R2 = द्वितीयक कुंडलन में संयोजित प्रतिरोध है। 

गणना:

K = 2

R2 = 0.24 Ω 

R2' = \(R_2\over (K)^2\)

\(0.24 \over 4\)

= 0.06 Ω 

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