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Analog Electronics

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

  up.
 down.
 off the load line.
 nowhere.

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Analog Electronics
The voltage follower has a

  small open - loop voltage gain.
  closed - loop bandwidth of zero.
  closed - loop voltage gain of unity.
  large closed - loop output impedance.

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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

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

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Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 unknown.
  high.
 low.
 unchanged.

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Analog Electronics
The depletion region of a pn junction is one, that is depleted of

  immobile charges.
  atoms.
  mobiles charges.
  velocity of the carriers.

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Analog Electronics
The negative part of the output signal in a transistor circuit starts clipping if the Q point of the circuit moves

None of these
  toward the saturation point.
  toward the center of the load line.
  toward the cutoff point.

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