230 V की एकल-कला आपूर्ति के लिए 3 kW के भार को जोड़ने के लिए उपयुक्त केबल की रेटिंग ________ होगी।

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SSC JE Electrical 10 Oct 2023 Shift 2 Official Paper-I
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  1. 5 A
  2. 15 A
  3. 20 A
  4. 10 A

Answer (Detailed Solution Below)

Option 2 : 15 A
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सही उत्तर विकल्प 1):(15  A) है।

संकल्पना:

शक्ति रेटिंग

P = V I cos ϕ 

जहां

V वोल्टेज है।

I धारा है।

गणना:

P = 3 × 1000 W

V = 230 V

3 × 1000  = 230 × I

I = \( 3 \times 1000 \over 230\)

= 13.043 A

230 V की एकल-कला आपूर्ति के लिए 3 kW के भार को जोड़ने के लिए उपयुक्त केबल की रेटिंग 15 A है।

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