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चित्र में दिखाए गए लंबे शंट मिश्र कुंडलित जनित्र के लिए, अनुपात \(\frac{\mathrm{I}_{\mathrm{sh}}}{\mathrm{I}_{\mathrm{a}}}\) है:

This question was previously asked in
MPPGCL JE Electrical 28 April 2023 Shift 1 Official Paper
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  1. हमेशा 1 से कम
  2. हमेशा 1 के बराबर
  3. हमेशा 1 से अधिक
  4. हमेशा 0 के बराबर

Answer (Detailed Solution Below)

Option 1 : हमेशा 1 से कम
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MPPGCL JE Electrical Full Test 1
3.9 K Users
100 Questions 100 Marks 120 Mins

Detailed Solution

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सिद्धांत

\(I_a=I_{sh}+I_L\)

जहाँ, Ia = आर्मेचर धारा

Ish = शंट कुंडली धारा

IL = लोड धारा

गणना

\(\frac{\mathrm{I}_{\mathrm{sh}}}{\mathrm{I}_{\mathrm{a}}}={I_a-I_L\over I_a}\)

\(\frac{\mathrm{I}_{\mathrm{sh}}}{\mathrm{I}_{\mathrm{a}}}=1-{I_L\over I_a}\)

चूँकि आर्मेचर धारा (Ia), Ish और IL का योग है।

Ia > IL\(0<{I_L\over I_a}<1\)

\(0<(1-{I_L\over I_a})<1\)

इसलिए, \(\frac{\mathrm{I}_{\mathrm{sh}}}{\mathrm{I}_{\mathrm{a}}}\) का अनुपात हमेशा 1 से कम होगा।

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