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Analog Electronics

Analog Electronics
If (211)X = (152)8, then the value of base x is

 7
 5
 9
 6

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Analog Electronics
The opamp can amplify

  DC signals only.
  both AC and DC signals.
  neither AC not DC signals.
  AC signals only.

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Analog Electronics
In a JFET, the primary control on drain electric current is exerted by

  gate reverse bias.
  channel resistance.
  voltage drop across channel.
  size of depletion regions.

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

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

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Analog Electronics
The load voltage is approximately constant when a zener diode is

  reverse biased.
  operating in breakdown region.
  forward biased.
  unbiased.

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Analog Electronics
A JFET can operate in

  enhancement mode only.
  none of these.
  depletion and enhancement mode only.
  depletion mode only.

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