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Replies to This Discussion

For farward biased condition of P-N junction

  • +Ve polarity  to N electrode  and -Ve polarity to  P electrode
  • +Ve polarity  to  both N and P electrode
  • +Ve polarity  to P electrode  and -Ve polarity to  N electrode
  • -Ve polarity  to  both N and P electrode

Addition of impurities in semiconductor material to produce more current is called

  • Intrinsic
  • Dopping
  • Bonding
  • Excitation

To which of the winding of transformer alternating voltage is applied

  • primary winding
  • secondary winding

The primary and secondary winding of transformer are

  • physically touched
  • physically isolated
  • touched with conductor
  • largely separated

When magnitude of reverse voltage exceeds a threshold value specific to a particular diode...........

  • reverse bias region is entered
  • farward  bias region is entered
  • break down region is entered
  • saturation region is entered

which of the followings are semiconductor devices

  • diodes and transformers
  • transistor and transformer
  • diode and transistor
  • inductor and capacitor

If ideal diode in a simple circuit is in reversed biased condition

  • it will act as an open circuit
  • current (I)=o
  • no current will flow
  • all of these

When electrons leave the N- material to fill holes in the P-material , the process is called

  • Doping
  • Mixing
  • Depletion
  • Diffusion 

A diode is a

  • one way conductor
  • two way conductor
  • three way conductor
  • insulator

When the turn ratio of a transformer is 5 and primary ac voltage is 10v, the secondary voltage is

  • 100v
  • 25v
  • 50v
  • 2v

Best Of Luck All Of You 


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