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MHT CET202415 May 2024Morning ShiftPhysicsMagnetic Effects of CurrentActual

Two parallel wires separated by distance 'b' are carrying equal current 'I' in the same direction. The force per unit length of the wire is

Options

  1. A₀ 4 ( I b ^2 )
  2. B₀ 4 ( I^2 b^2 ) .
  3. C₀ 4 ( I^2 b )
  4. D₀ 4 ( 2 I^2 b )

Correct answer

D. ₀ 4 ( 2 I^2 b )

Step-by-step solution

aligned & F l = ₀ 4 2 I ₁ I ₂ r & F l = ₀ 4 2 I ^2 b & =60^ = / 3 aligned

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