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Analog Electronics

Analog Electronics
The 741 C has a unity - gain frequency of

  20 Hz.
  15 MHz.
  1 MHz.
  10 Hz.

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Analog Electronics
An Op-Amp comparator circuit employs

 both B and C.
 no feedback.
 +ve feedback.
 -ve feedback.

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Analog Electronics
For emitter bias, the voltage at the emitter is 0.7 V less than the

 ground voltage.
 collector voltage.
 emitter voltage.
  base voltage.

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Analog Electronics
The effective channel length of a MOSFET in a saturation decreases with increase in

Source voltage
Drain voltage
Body voltage
Gate voltage

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Analog Electronics
If the base supply voltage increase, the Q point moves

 down.
 off the load line.
  up.
 nowhere.

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Analog Electronics
A JFET can operate in

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

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