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AP EAMCET202521 May 2025Morning ShiftPhysicsCurrent ElectricityActual

In a potentiometer experiment, when two cells of emfs E ₁ and E ₂ ( E ₂> E ₁ ) are connected in series, the balancing length is 160 cm. If one of the cells is reversed, the balancing length decreases by 75 % . If E ₁=1.2 ~V , then E ₂=

Options

  1. A2 V
  2. B2.4 V
  3. C1.8 V
  4. D1.5 V

Correct answer

A. 2 V

Step-by-step solution

No Solution.

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