Introduction to Diodes MCQs Quiz Online PDF Download

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MCQs on Introduction to Diodes Quiz PDF Download

MCQ: During diffusion, decrease in energy le Vel of conduction band in n region is due to loss of

  1. lower energy electrons
  2. 1st shell electrons
  3. 2nd shell electrons
  4. higher energy electrons

D

MCQ: If a block of Si is doped with a tri Valent impurity atoms and other part with penta Valent impurity, a boundary is formed between n and p type, called

  1. pn junction
  2. ppn junction
  3. pnn junction
  4. pp junction

A

MCQ: Barrier potential for Si at 25°C is

  1. 0.7 V
  2. 0.9 V
  3. 1.5 V
  4. 3 V

A

MCQ: When pn junction is formed, n region loses free electrons as they diffuse across junction, this create a layer of

  1. positive charges
  2. negati Ve charges
  3. neutron charges
  4. photon charges

A

MCQ: Region near pn junction is depleted across junction is called

  1. conduction region
  2. floating region
  3. pn region
  4. depletion region

D