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MHT CET20242 May 2024Evening ShiftPhysicsCurrent ElectricityActual

When cell of E.M.F. ' E₁ ' is connected to potentiometer wire, the balancing length is l₁ . Another cell of E.M.F. ' E₂ ' (E₁ E₂ ) is connected so that two cells oppose each other, then the balancing length is l₂ . The ratio E ₁: E ₂ is

Options

  1. Al₁ l₁+l₂
  2. Bl₁ l₁-l₂
  3. Cl₁+l₂ l₁
  4. Dl₁+l₂ l₁-l₂

Correct answer

B. l₁ l₁-l₂

Step-by-step solution

Using sum and difference method, E ₁ E ₂ = l₁ l₁-l₂

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