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MHT CET202415 May 2024Morning ShiftPhysicsMagnetic Effects of CurrentActual

The strength of magnetic field at a perpendicular distance ' x ' near a long straight conductor carrying current ' I ' is ' B '. The magnetic. field at a distance X 3 from straight conductor will be

Options

  1. AB 3
  2. B3 B
  3. CB ^2 9
  4. D9 ~B ^2

Correct answer

B. 3 B

Step-by-step solution

array ll & B 1 r & & B ₁ ~B ₂ = r ₂ r ₁ & ~B ~B ₂ = x 3 x & B B ₂ = 1 3 & ~B ₂=3 ~B array

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