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Analog Electronics

Analog Electronics
Piezoelectric effect is utilized in which of the following filter?

 Band stop.
 Ideal filter.
  Crystal filter.
 Pass band.

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Analog Electronics
Depletion region of a p-n junction is formed

 During Reverse bias
 During Heating
 During Manufacturing
 During Forward bias

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Analog Electronics
When pn junction is reverse biased

 a small current flows through it because of minority carriers
 the witdh of depletion layer increases
 it offers a very high resistance
All of these

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Analog Electronics
The trapped energy of an inductive load can be feed back to the input supply through a diode known as

 None of these.
 Powe diode.
 Zener diode.
  Feed back diode.

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Analog Electronics
The number of orbiting electrons in germanium atom are :

 28
 36
 32
 42

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Analog Electronics
When Semiconductor materials is heated its resistance

 decreases
 increases
None of these
 remains constant

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