नीचे दिखाए गए परिपथ में, ज्यावक्रीय स्रोत की धारा I क्या है?

F4 Savita Engineering 18-7-22 D15

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DDA JE (E&M) Official Paper (Held on 25 April 2018)
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  1. 4 A
  2. इसे दिए गए डेटा से निर्धारित नहीं किया जा सकता है।
  3. 20 A
  4. 28 A

Answer (Detailed Solution Below)

Option 3 : 20 A
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Detailed Solution

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संधारित्र:

एक समानांतर RL परिपथ में, धारा (I) को निम्न द्वारा दिया जाता है:

I = IR - jIL

\(I = {\sqrt{I_R^2\space+\space I_L^2}}\)

शक्ति कारक को निम्न द्वारा दिया जाता है:

cos ϕ = cos (tan-1\(( {I_L \over I_R})\))

गणना:

दिया गया है, IR = 12 A

IL = 16 A

\(I = {\sqrt{(12)^2\space+\space (16)^2}}\)

I = 20 A

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