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Analog Electronics

Analog Electronics
Given (135)x + (144)x = (323)x what is the value of base x?

 3
 6
 4
 5

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Analog Electronics
MOSFET uses the electric field of

  none of these.
  gate capacitance to control the channel current.
  both (A) and (B).
  barrier potential of p-n junction to control the channel current.

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Analog Electronics
The AC base voltage of an emitter follower is across the

 DC emitter resistor.
  emitter diode and external AC emitter resistance.
 emitter diode.
 load resistor.

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Analog Electronics
The action of JFET in its equivalent circuit can best be represented as a

Current controlled Current source
voltage controlled current source
Voltage controlled voltage source
Current controlled voltage source

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Analog Electronics
Avalanche breakdown in a diode occurs when

  forward electric current exceeds certain value.
  reverse bias exceeds a certain value.
None of these
  potential barrier is reduced to zero.

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Analog Electronics
If the current gain is unknown in an emitter-biased circuit, you cannot calculate the

 emitter voltage.
 emitter current.
 collector current.
  base current.

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