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यदि प्राथमिक कुण्डली में बहने वाली 5 A धारा को 2 ms में शून्य कर दिया जाए तो द्वितीयक कुण्डली में उत्पन्न प्रेरित वि. वा. बल का मान 25 kV होता है। इन कण्डलियों का अन्योन्य प्रेरकत्व ज्ञात करो।

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दिया है: धारा में परिवर्तन dI = 0 - 5= -5 A

समय dt = 2ms = 2 x 10-3 s

द्वितीयक कुण्डली में प्रेरित वि. वा. अल

ε = 25 kV = 2.5 x 104 V

कुण्डली

M = 10 H

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