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किसी कुण्डली के 'स्वप्रेरकत्व' पद की परिभाषा दीजिए। इसका एस. आई. (S.I.) मात्रक लिखिए।

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किसी कुण्डली का स्वप्रेरकत्व उस विद्युत वाहक बल के तुल्य है जो उस कुण्डली में। ऐम्पियर/सेकण्ड की दर से विद्युत धारा बदलने पर उसमें उत्पन्न होता है। अर्थात्

L = \(-\frac{e}{dI/dt}\) = L = |e| (∵ \(\frac{dI}{dt}\) = 1A)

मात्रक - वोल्ट - सेकण्ड/ऐम्पयर या हेनरी (A)

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