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Analog Electronics

Analog Electronics
The leakage current in a pn junction is in order of

 µA
 KA
 A
None of these

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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

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

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Analog Electronics
Doping in a semiconductor increases which quantity

 Resistance
 None
 Inductance
 Conductance

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Analog Electronics
When pn junction is reverse biased

All of these
 it offers a very high resistance
 a small current flows through it because of minority carriers
 the witdh of depletion layer increases

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Analog Electronics
In a N-type semiconductor material electrons are ....................

 Majority charge carriers
 High charge carriers
 Low charge carriers
 Minority charge carriers

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Analog Electronics
Which of following is not an essential element of a DC power supply?

  Voltage amplifier.
  Voltage regulator.
  Filter.
  Rectifier.

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