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Analog Electronics

Analog Electronics
In a pnp transistor, the major carriers in the emitter are

 both.
 neither.
 free electrons.
  holes.

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Analog Electronics
The input impedance of the base of an emitter follower is usually

 open.
 low.
 shorted to ground.
  high.

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Analog Electronics
The conduction loss verses device current characteristics of power MOSFET in best approximately by

 a parabola.
 a straight line.
 a rectangular hyperbola.
 an exponentially decaying function.

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Analog Electronics
An amplifier using an opamp with slew rate SR=1v/µsec has a gain of 40db.if this amplifier has to faithfully amplify sinusoidal signals from dc to 20 KHz without introducing any slew-rate induced distortion, then the input signal level must not exceed

79.5 mV
795mV
395mV
39.5mV

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Analog Electronics
Why holes are not created in a metal ?

 Both 1 & 2
 The forbidden band is missing
None of these
 The conduction band and valance band are overlapped

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Analog Electronics
Germanium has

 ionic bond.
 molecular bond.
 metallic bond.
 covalent bond.

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MORE MCQ ON Analog Electronics

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