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Olympiad workbookNSEPMagnetic Effects of Current

A long straight wire carrying a current i=10 ~A and a rectangular metallic loop of dimensions b c lie in the same plane as shown in the figure. The parameters are a=10 ~cm , b=30 ~cm and c=50 ~cm . The mutual inductance of the system is nearly

Options

  1. A69 nH
  2. B71 nH
  3. C139 nH
  4. D281 nH

Correct answer

C. 139 nH

Step-by-step solution

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