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Analog Electronics

Analog Electronics
Which impurity is added into semiconductor to increase its conductivity ?

 intrinsic
 doping
None of these
 extrinsic

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Analog Electronics
A diode (P-N junction) has two terminals. The P-terminal is known as

 None of these
 Cathode
 Anode
 Either anode or cathode

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Analog Electronics
A 741-type OP-amp has a gain-bandwidth product of 1MHz.A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of

1000/17 KHz
1000/7.07 KHz
50 KHz
100 KHz

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Analog Electronics
In a bipolar junction transistor the base region is made very thin so that

  base can be easily biased.
  recombination in base region is minimum.
  base can be easily fabricated.
  electric field gradient in base is high.

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Analog Electronics
The base-emitter voltage of the second approximation is

 0 V.
 0.3 V.
  0.7 V.
 1 V.

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Analog Electronics
Diode is also called as:

 Amplifier
 Rectifier
 Resistance
 Reactance

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