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JEE Main202126 Feb 2021Morning ShiftPhysicsCurrent ElectricityActual

Five equal resistances are connected in a network as shown in figure. The net resistance between the points A and B is :

Options

  1. AR
  2. BR 2
  3. C3 R 2
  4. D2 R

Correct answer

A. R

Step-by-step solution

This diagram can be drawn like It is a wheat stone bridge ∴   R e q = 2 R × 2 R 2 R + 2 R ⇒ R

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