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NEET2015PhysicsSemiconductorsActual

In the given figure, a diode D is connected to an external resistance R   =   100   Ω and an e m f of 3 . 5   V If the barrier potential developed across the diode is 0 . 5   V , the current in the circuit will be

Options

  1. A40 mA
  2. B20 mA
  3. C35 mA
  4. D30 mA

Correct answer

D. 30 mA

Step-by-step solution

C u r r e n t = ( 3.5 - 0.5 ) 100 A = 3 100 A = 30 m A

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