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Analog Electronics

Analog Electronics
A semiconductor material is formed by

 Metallic bonds
None of these
 Electrovalent bonds
 Covalent bonds

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Analog Electronics
Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element

  500 W.
 100 W.
 None of above.
 1000 W.

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Analog Electronics
Electron mobility is defined as

 the movement of electrons
None of these
 Drift velocity per unit field
 Diffusion velocity per unit field

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Analog Electronics
What is the most important fact about the collector current?

 It is measured in milliampere.
 It equals the base current divided by the current gain.
  It approximately equals the emitter current.
 It is small.

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Analog Electronics
A zener diode

  is a battery.
  has a constant voltage in the breakdown region.
  is forward biased.
  has a barrier potential of 1 V.

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Analog Electronics
LC oscillators are used for produce a waveform with frequency ranging from

 1MHz to 500 MHz
 1MHz to 100 GHz
 100 KHz to 500 MHz
 1 KHz to 1 MHz

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