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Analog Electronics

Analog Electronics
Base of a number system is also known as

 value
 count
 shift
 radix

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Analog Electronics
Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element

 None of above.
  500 W.
 1000 W.
 100 W.

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

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

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Analog Electronics
In a JFET, if the gate voltage Vgs is made more negative, then

  channel conductivity increases.
  depletion region decreases.
  channel electric current increases .
  channel conductivity decreases.

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Analog Electronics
The most commonly used transistor circuit arrangement is

  common emitter.
None of these
  common base.
  common collector.

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Analog Electronics
A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to

 400 / √ 3 V.
 400 V.
 400√ 2 V.
 400√ (2/3) V.

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