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BITSAT2020PhysicsSemiconductorsActual

If the forward voltage in a semiconductor diode is changed from 0.5 ~V to 0.7 ~V , then the forward current changes by 1.0 ~mA . The forward resistance of diode junction will be

Options

  1. A100
  2. B120
  3. C200
  4. D240

Correct answer

C. 200

Step-by-step solution

Forward resistance = V I = 0.7-0.5 1.0 10⁻³ =200

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