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Analog Electronics

Analog Electronics
If the collector resistor opens in a base-biased circuit, the load line will become

 flat.
  horizontal.
 useless.
 vertical.

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Analog Electronics
In a differential amplifier, the CMRR is limited mostly by the

  CMRR of the opamp.
  gain - bandwidth product.
  tolerance of the resistors.
  supply voltages .

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Analog Electronics
Depending upon the switching recovery time and on state drop, the power diodes are types

 Fast recovery, Schottky.
  General purpose, fast recovery and schottly.
 General purpose, fast recovery.
 None of these.

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Analog Electronics
A zener diode

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

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Analog Electronics
The β of a transistor may be determined directly from the curve plotted between

  VCE and IE for constant IB.
  VCE and IC for constant IB.
  VBE and IE for constant VCE.
  VCE and IC for constant IE.

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Analog Electronics
The number of valence electrons in silicon atom are :

 1
 2
 4
 3

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