Electrical Engineering · Question Bank

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391 of 433 questions match · page 10 of 20. Answer in your head first, then check the solution.

TypeAll 391Problem solvingObjective 391
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#181📘 reviewer_appEasy
RC coupling is used for _____ amplification.
Avoltage
Bcurrent
Csignal
Dpower
#182📘 reviewer_appEasy
An ammeter's ideal resistance should be
Azero
Bunity
Cinfinite
Dthe same with the circuit's resistance
#183📘 reviewer_appEasy
_____ is the circuit that can increase the peak-to-peak voltage, current, and power of a signal?
Apower supply
Battenuator
Camplifier
Dfilter
#184📘 reviewer_appEasy
When a non-linear distortion in an amplifier is D without feedback, with negative voltage feedback it will be
AD/(1 + Aß)
B(1 + Aß)/D
CD x (1 + Aß)
DD x (1 - Aß)
#185📘 reviewer_appEasy
A tuned amplifier uses what load?
Aresistive
Bcapacitive
CLC tank
Dinductive
#186📘 reviewer_appEasy
The voltage gain over mid-frequency range in an RC coupled amplifier
Achanges instantly with frequency
Bis constant
Cis independent of the coupling
Dis maximum
#187📘 reviewer_appEasy
The input impedance of an amplifier _____ when negative voltage feedback is applied.
Adecreases
Bbecomes zero
Cincreases
Dis unchanged
#188📘 reviewer_appEasy
The input impedance of an amplifier _____ when negative current feedback is applied.
Aremains unchanged
Bdecreases
Cincreases
Dbecomes zero
#189📘 reviewer_appEasy
The driver transformer has center-tapped secondary to provide
Aforward bias to transistors of push-pull circuit
Btwo signals 180 degrees out of phase to transistors of push-pull circuit
Cimpedance matching
Dtwo signals in phase with each other
#190📘 reviewer_appEasy
What is the advantage of RC coupling scheme?
Agood impedance matching
Beconomy
Chigh efficiency
Dsimplicity
#191📘 reviewer_appEasy
A type of filter which is having a single continuous transmission band with neither the upper nor the lower cut-off frequencies being zero or infinite is called
Aband stop filter
Blow pass filter
Chigh pass filter
Dband pass filter
#192📘 reviewer_appEasy
An instrument use to measure ones location in terms of coordinates
AGPS
BILS
CFANS
DGSM
#193📘 reviewer_appEasy
Transformer coupling is used for ______ amplification.
Acurrent
Bpower
Cvoltage
Dsignal
#194📘 reviewer_appEasy
What is the typical voltage of coupling capacitor Cc in RC coupling?
Aabout 100 pF
Babout 0.1 μF
Cabout 10 μF
Dabout 0.01 μF
#195📘 reviewer_appEasy
An electronic transfer from one stage to the next is termed as _____.
Adoping
Bmixing
Ccoupling
Dconnecting
#196📘 reviewer_appEasy
An amplifier configuration where the input signal is fed to the emitter terminal and the output from the collector terminal is called
Acommon base
Bcommon emitter
Cclipper
Dcommon collector
#197📘 reviewer_appEasy
If the noise factor of an ideal amplifier expressed in dB, then it is
A0
B0.1
C1
D10
#198📘 reviewer_appEasy
A feedback circuit is _____ frequency.
Aindependent of
Bstrongly dependent on
Cmoderately dependent on
Drelatively dependent on
#199📘 reviewer_appEasy
The capacitors are considered _____ in the dc equivalent circuit of a transistor amplifier.
Ashort
Bpartially short
Copen
Dpartially open
#200📘 reviewer_appEasy
Power amplifiers handle _____ signals.
Avery small
Bsmall
Clarge
Dvery large

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