☰ Basic Electronics Engineering (Electrical Engineering) - MCQs

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Q25.

In P-N junction the avalanche breakdown voltage with semiconductor resistivity

  • A. decreases
  • B. increases
  • C. both the parameters are independent
  • D. decreases or increases in abrupt P-N junction
    ✍ Discuss    
Q26.

An electric breakdown of a p-n junction occurs if

  • A. forward voltage increases upto the rating
  • B. reverse voltage increases beyond the rating
  • C. forward voltage decreases below the rating
  • D. reverse voltage decreases below the rating
    ✍ Discuss    
Q27.

In forward region of its characteristics, a diode appears as

  • A. an on switch
  • B. an off switch
  • C. a capacitor
  • D. an high register
    ✍ Discuss    
Q28.

In a semiconductor diode schematic symbol arrow head represents

  • A. N-type material
  • B. P-type material
  • C. both P and N type materials
  • D. none of the above
    ✍ Discuss    
Q29.

An electronic device means the device in which the conduction of electrons takes place through

  • A. a gas
  • B. vacuum
  • C. a semiconductor
  • D. a gas, semiconductor or vacuum
    ✍ Discuss    
Q30.

Electronics is that branch of engineering which deals with the application of

  • A. electronic devices
  • B. production of electronic components
  • C. fission of uranium nuclei
  • D. generation of small power
    ✍ Discuss    
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