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Analog Electronics

Analog Electronics
If the emitter resistor is open, the collector voltage is

 unknown.
 low.
  high.
 unchanged.

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Analog Electronics
The current gain of a pnp transistor is

 the ratio of collector current to emitter current.
 the negative of the npn current gain.
 the collector current divided by the emitter current.
 near zero.

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

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

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Analog Electronics
A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ. At the frequency of 4KHZ,the o/p voltage will be

2.8v
1v
2v
1.4v

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Analog Electronics
A diode (P-N junction) has two terminals. The P-terminal is known as

 Either anode or cathode
 None of these
 Cathode
 Anode

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Analog Electronics
The trapped energy of an inductive load can be feed back to the input supply through a diode known as

 None of these.
  Feed back diode.
 Zener diode.
 Powe diode.

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