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KVPY2017PhysicsSemiconductors

When light shines on a p-n junction diode, the current (I) vs, voltage ( V ) is observed as in the figure below : In which quadrant(s) does the diode generate power, so that it can be used as a solar cell?

Options

  1. AQuad 1 only
  2. BQuad 1 and 3 only
  3. CQuad 4 only
  4. DQuad 1 and 4 only

Correct answer

C. Quad 4 only

Step-by-step solution

both i and V are of same sign

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