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Analog Electronics

Analog Electronics
What is the majority carriers in "N" type material ?

 Protons
 Electrons
 Holes
None of these

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Analog Electronics
If the current gain is 100 and the collector current is 10 mA, the base current is

 1 A.
 10 A.
 10 µA.
  100 µA.

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Analog Electronics
A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are

5 Ω & 20 %
25 Ω & 20 %
25 Ω & 16.7 %
5 Ω & 16.7 %

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Analog Electronics
The arrow direction in diode symbol indicates

  direction of electron flow.
  none of these.
  direction of hole flow.
  opposite to the direction of hole flow.

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

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

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Analog Electronics
If the collector resistor opens in a base-biased circuit, the load line will become

 flat.
  horizontal.
 useless.
 vertical.

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