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Analog Electronics

Analog Electronics
The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is

  none of them.
  0.53 %.
  5.3 %.
  5 %.

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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

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

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Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Inductive coupling between input and output
 Capacitive coupling between input and output
 Resistive coupling between input and output
 Any one or combinations of the above methods

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Analog Electronics
If the emitter resistance decreases, the

  Q point moves up.
 current gain increases.
 collector current decreases.
 Q point stays where it is.

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Analog Electronics
Which of the following transistor configuration circuit is much less temperature dependent ?

  Common emitter.
  Common base.
  Common collector.
None of these

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Analog Electronics
Suppose the base resistor is open. The Q point will be

 at the upper end of the load line.
 off the load line.
 in the middle of the load line.
  at the lower end of the load line.

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