AAI Recruitment | Exam Date, Admit Card, Result - PaGalGuY

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623

Typical turn off time of a transistor is


  • 60ns
  • 10ns
  • 70ns

0 voters

624

Not a 4 layer diode

Diac,scr,triac

625

expected date to announce the result of AAI ELECTRONICS ?   and expected cutoff ?

626

Any one having answer key of code C ? any way to access ....? 

627

The noise fig of an amplfr depends on

628

The parabolic refletor is generally used to

  • increased bandwidth of aprture
  • provide high gain
  • provide pencil beam
  • nota

0 voters

629

why inp imp. of non inverting amp is gr8tr dan invrtng

630

Group ke sbhi members se ye nivedan hai ke qstns daaltey rahein. Ab kuch h din reh gaye hain...guys pls update yr..come on.

631

which one of the following is  correct?a right circularly polarized wave is incident from air onto to polysetene(Er=2.7).the reflected wave is

  • left circular polarized
  • left elliptically polarized
  • right elliptically polarized
  • right circular polarized

0 voters

632

 Most important Application of tunnel diode as

  • rectifier
  • voltage control device
  • oscillator
  • switching

0 voters

633

How much u r getting in ese 2105 in obj. according to the coaching inst. ans key....

634

those preparing for next year one good news is RAILWAYS is coming with 2000 vacancy for engineer in october :P...so dont get depressed keep preparing :P..

635

using bodes criterion we can determine

  • error perfomance of modulation scheme
  • output pwr of amplifier
  • transmission capacity of channel
  • closed loop stability of systm

0 voters

636

frequency response of differetiator is same as that of ______.


  • HPF
  • none
  • BPF
  • LPF

0 voters

637


It is desired to reduce the reflection at an air porcelain by use of 7/4 plate (for Porcelain μ = 40, and εr = 7). The thickness of the polystyrene plate required at 10 GHz will be

  • 5.039 cm B. 50.39 cm C. 0.5039 cm D. 0.05039 cm

0 voters

638


It is desired to reduce the reflection at an air porcelain by use of 7/4 plate (for Porcelain μ = 40, and εr = 7). The thickness of the polystyrene plate required at 10 GHz will be

  • 5.039 cm B. 50.39 cm C. 0.5039 cm D. 0.05039 cm

0 voters

639

Phase shift provided by one rc section in phase shift oscillator is

640

comparision to conventional pulsed lasar,a pulse doppler radar is characterised by

  • low power
  • substantially higher prf
  • substantially lower prf
  • high efficiency

0 voters

641

beam synthesis in phased array antenna is

  • signal bandwidth reduction technq
  • a spatial signal processing technique
  • temporal signal processing technique
  • antenna design technique

0 voters

642

when was Junior ATC result of 26th April-2015 exam out..unable to find ny link on aai website??