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Analog Electronics

Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 150 µA.
 3 mA.
 3 µA.
  30 µA.

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Analog Electronics
When P-type substance is connected with positive and N-type is connected with negative terminal then P-N junction diode is in ....................

 Forward biased
 Reverse biased
 No biased
None of these

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Analog Electronics
A diode (p-n junction) when reverse biased act as

 On Switch
 Capacitor
 Off Switch
 Zener diode

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Analog Electronics
Piezoelectric effect is utilized in which of the following filter?

 Pass band.
 Band stop.
 Ideal filter.
  Crystal filter.

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Analog Electronics
Reverse recovery current in a diode depends upon

 Temperature.
 Storage change.
  Forward field current.
 PIV.

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Analog Electronics
The emitter of the transistor is doped

  moderately.
  lightly.
  heavily.
  none of these

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