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Analog Electronics

Analog Electronics
What is the majority carriers in "N" type material ?

 Holes
 Electrons
None of these
 Protons

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Analog Electronics
Which is the factor on which total number of electrons in an atom depends ?

None of these
 atomic number
 atomic weight
 atomic size

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Analog Electronics
A silicon pn junction in forward condition has a voltage drop closer to

 0.7 V.
 1.7 V.
 2.1 V.
 0.1 V.

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Analog Electronics
Donors to a semiconductor material is

 Divalant
 Pentavalant
 Tetravalant
 Trivalant

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Analog Electronics
A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to

 400√ 2 V.
 400 V.
 400√ (2/3) V.
 400 / √ 3 V.

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Analog Electronics
The emitter electric current in a junction with normal bias

  is equal to the sum of IB and IC.
  is almost equal to the base current.
  is equal to ICBO.
  changes greatly by a small changes in collector bias voltage.

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