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problem1) Answer all the problems:

a)  describe the term conductivity and mobility in a semiconductor.

b) Describe the terms nipple and peak inverse voltage.

c) Describe why ordinary transistor is called bipolar and current centrolled device.

d) Mention Kirchoff’s first and second level.

e) prepare down the difference between active and passive filters?

problem2) Describe energy band theory of crystals on its basis bring out difference between insulators, semiconductors and metals.

problem3) Draw the circuit diagram of a full wave rectifier and describe its working.

problem4) Sketch the typical input - output characteristics of a BJT when connected in

i) Common Emitter Configuration.

ii) Common Base Configuration

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M94170

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