230 V AC, 5 A धारा और 30° के पश्चगामी प्रणाली के लिए प्रतिघाती शक्ति क्या है?

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 2
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  1. 275 VAR
  2. 675 VAR
  3. 175 VAR
  4. 575 VAR

Answer (Detailed Solution Below)

Option 4 : 575 VAR
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धारणा:

प्रतिघाती शक्ति (Q) = V I sinϕ

जहाँ,

V = वोल्ट में वोल्टेज

I = एम्पीयर में धारा

ϕ = वोल्टेज और धारा के बीच फेज अंतर

गणना:

वोल्टेज (V) = 230 V

धारा (I) = 5 A

फेज अंतर (ϕ) = 30°

Q = 230 × 5 × sin30°

Q = 575 VAR
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