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Analog Electronics

Analog Electronics
How many terminal are present in diode device ?

 Four-terminal
 Two-terminal
 One-terminal
 Three-terminal

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 150 µA.
 3 mA.
  30 µA.
 3 µA.

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Analog Electronics
Secondary breakdown occures in

 Both BJT and MOSFET.
  BJT but not is MOSFET.
 MOSFET but not in BJT.
 None of these.

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Analog Electronics
Negative feedback in an amplifier

Reduces bandwidth
Reduces gain
Increases noise
Increase frequency &phase distortion

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

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

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Analog Electronics
A voltage regulator is a circuit which

None of these
  smoothed the AC variation in DC output voltage.
  maintains constant DC output voltage inspite of the fluctu
  converts the AC voltage to DC voltage.

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