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Analog Electronics

Analog Electronics
Germanium has

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

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Analog Electronics
Thermal runaway is not possible in FET because as the temperature of FET increases

The drain current increases
The transconductance increases
None of these
The mobility decreases

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Analog Electronics
In a loaded zener regulator, which is the largest current?

  Zener current.
None of these
  Series current.
  Load current.

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Analog Electronics
A zener diode

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

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Analog Electronics
The action of JFET in its equivalent circuit can best be represented as a

Voltage controlled voltage source
Current controlled voltage source
voltage controlled current source
Current controlled Current source

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

 the transistor is normal.
 the collector is positive in respect to the emitter.
 the emitter is positive in respect to the collector.
  the transistor is defective.

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