ISRO Electrical Engineering (EE) 2019 - Question 77

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The internal inductance per meter (ie. Inductance due to internal magnetic flux linkages) of a long straight wire of circular cross section and uniform current distribution is

  • A. µ/π H/m
  • B. µ/4π H/m
  • C. µ/8π H/m
  • D. µL/(4π R) H/m

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