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MHT CET202415 May 2024Morning ShiftPhysicsElectromagnetic InductionActual

Two solenoids of equal number of turns have their lengths as well as radii in the same ratio 1: 3 . The ratio of their self inductance will be

Options

  1. A1: 3
  2. B1: 9
  3. C9: 1
  4. D3: 2

Correct answer

A. 1: 3

Step-by-step solution

L r ^2 and L 1 l array ll & L ₁ ~L ₂ = r ₁^2 r ₂^2 l₂ l₁ & ~L ₁ ~L ₂ = 1 9 3 1 = 1 3 array

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