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Analog Electronics

Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

 3 A.
 3.33 mA.
  3.1 A.
 10 A.

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

A unity gain non-inverting amplifier
A unity gain inverting amplifier
An inverting amplifier with a gain of 10
An inverting amplifiers with a gain of 100

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Analog Electronics
Base-10 system is also called as

 Decimal system
 Decinary system
 Binary system
 Tenth system

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Analog Electronics
A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit?

 66.3 %.
 34.3 %.
 52.8 %.
 45.5 %.

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Analog Electronics
Which of the following is Pentavalent impurity?

 gallium
 indium
 antimony
 boron

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Analog Electronics
MOSFET uses the electric field of

  both (A) and (B).
  none of these.
  gate capacitance to control the channel current.
  barrier potential of p-n junction to control the channel current.

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