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एक कुण्डली का स्वप्रेरकत्व 10 m H है। जब कुण्डली से I = 0.1 Sin 200 t ऐम्पियर की धारा प्रवाहित की जाती है, तो उसमें उत्पन्न प्रेरित वि. वा. बल का अधिकतम मान क्या होगा?

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दिया है- L = 10m H = 10 x 10-3 H

I = 0.1 sin 200 t

ε = L \(\frac{dI}{dt}\)

ε = L \(\frac{d}{dt}\) [0.1 sin 200 t ]

ε  = 1 x 10-2 [0.1 cos 200 t x 200]

ε = 1 x 10-2 x 20 cos 200 t

εmax के लिए cos 200 t = 1

εmax = 0.2 वोल्ट

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