एक कुंडल में प्रेरित Emf किस प्रकार दिया गया है?

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  1. \(\rm e = L\frac{dφ}{dt}\)
  2. \(\rm e = L\frac{di}{dt}\)
  3. \(\rm e =- L\frac{di}{dt}\)
  4. \(\rm e =L\frac{d^2i}{dt^2}\)

Answer (Detailed Solution Below)

Option 3 : \(\rm e =- L\frac{di}{dt}\)
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Detailed Solution

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संकल्पना:

एक कुंडली या प्रेरक में प्रेरित Emf इसके द्वारा दिया जाता है

\(e = -L{di\over dt}\)

जहाँ,

L = प्रेरकत्व

di = धारा का अंतिम मान - धारा का प्रारंभिक मान

dt = अंतिम समय - प्रारंभिक समय

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