एक कुण्डली में 200 वर्तन हैं। तो इसमें प्रेरित EMF ज्ञात कीजिए, यदि अभिवाह 0.1 सेकंड में 1 mwb से 2 mwb में परिवर्तित हो जाता है?

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SSC JE Electrical 14 Nov 2022 Shift 3 Official Paper
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  1. 20 V
  2. 10 V
  3. 2 V
  4. 4 V

Answer (Detailed Solution Below)

Option 3 : 2 V
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संकल्पना

कुंडली में प्रेरित ई.एम.एफ निम्न द्वारा दिया जाता है:

\(E=N{d\phi\over dt}\)

जहाँ, N = वर्तनों की संख्या

\({d\phi \over dt}=\) अभिवाह के परिवर्तन की दर

गणना

दिया गया है, N = 200

\({d\phi \over dt}={2-1\over 0.1}\times 10^{-3}\) Wb

\(E=200\times {1\over 0.1}\times 10^{-3}\)

E = 2 V

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