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3.An air-core sol enoid with N-20000 loops has length L-5 cm. If a current of 80 A is sent through it, what will be B (in Tesla T )inside ? Hint: B-H IN/L 0 a)1 b)2 c)3 d)4 e)none of this is true
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Given data The number of tums is, N 20000 The length is, L -5 cm The current is, i = 80 A The magnetic field is, Ho IN 4π x 1

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