नीचे दिखाए गए परिपथ के लिए नोड a और b के अनुरूप नोड वोल्टेज निर्धारित कीजिए:

F1 Engineering Mrunal 13.03.2023 D33

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MPPKVVCL Indore JE Electrical 21 August 2018 Official Paper
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  1. Va = 0 V और Vb = 10 V
  2. Va = 0 V और Vb = −10 V
  3. Va = 10 V और Vb = 0 V
  4. Va = −10 V और Vb = 0 V

Answer (Detailed Solution Below)

Option 2 : Va = 0 V और Vb = −10 V
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नोड a सीधे भूसम्पर्क से जुड़ा हुआ है, इसलिए नोड a पर वोल्टेज 0 V के बराबर है।

Va = 0 V

KCL को नोड a पर लागू करते हुए, हम प्राप्त करते हैं:

\({0-6\over 10}+i_a+5i_a=0\)

ia = 0.1 A

साथ ही, Va - Vb = 20 × (5ia)

0 - Vb = 20 × 5 × 0.1

Vb = −10 V

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