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Olympiad workbookNSEPMagnetic Effects of Current

A fixed horizontal wire M carries 200 A current. Another wire N running parallel to M carries a current I and remains suspended in a vertical plane below M at a distance of 20 mm . Both the wires have a linear mass density 10⁻² ~kg / m . Therefore, the current I is

Options

  1. A20
  2. B4.9 A
  3. C49 A
  4. D200 A

Correct answer

C. 49 A

Step-by-step solution

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