Electrical Eng. · Question Bank

circuits

301 questions · page 1 of 16. Answer in your head first, then check the solution.

📘 EE Mock Board Exam
#1
Which of the following is not considered a physical factor in affecting resistance?
Alength
Bmaterial type
Ctemperature
Dcross-sectional area
#2
The graph between an alternating quantity and time is called
Asinewave
Bcurve
Cwaveform
Da plot
#3
Which of the following is the most popular waveform?
Asinusoidal
Bsquare wave
Ctriangular
Dsawtooth
#4
Which of the following does not refer to electrical energy?
Avolt-ampere
Bjoule
Cwatt-second
Dvolt-coulomb
#5
An ideal current source has an internal conductance of _____ siemen/s.
Ainfinite
Bone
Czero
Done million
#6
A capacitance of 6 uuF means
A6 pF
B6 nF
C6 fF
D6 aF
#7
The voltage cannot be exactly in phase with the current in a circuit that contains
Aonly capacitance
Bonly resistance
Cinductance and capacitance
Dinductance, capacitance, and resistance
#8
The charge in the capacitor is stored at the
Aterminals
Bplates
Cdielectric
Dair
#9
The resonance curve is a plot of frequency versus _____ for a series RLC circuit.
Acurrent
Bvoltage
Cgain
Dimpedance
#10
For a series circuit, the higher the quality factor
Athe greater the bandwidth
Bthe narrower the passband
Cthe broader the resonance curve
Dthe wider the passband
#11
The internal resistance of an ideal current source is
Ainfinite
Bzero
Cequal to the load resistance
Dto be determined
#12
An inductance of 1 mH is
A0.001 H
B0.01 H
C0.0001 H
D0.10 H
#13
A capacitor is basically constructed of
Atwo conductors separated by a dielectric
Btwo dielectric separated by a conductor
Cconductors and dielectric
Dconductors and semiconductors
#14
Two complex numbers or phasors are said to be conjugate if they
Adiffer only in the algebraic sign of their quadrature components
Bdiffer only in the algebraic sign of their real components
Care equal in their real and quadrature components including algebraic signs
Dare equal in their real components but differ in their quadrature components including algebraic signs
#15
In an ac circuit with a resistive branch and an inductive branch in parallel, the
Avoltage across the inductance leads the voltage across the resistance by 90 deg
Bresistive branch current is 90 deg out-of-phase with the inductive branch current
Cresistive and inductive branch currents have the same phase
Dresistive and inductive branch currents are 180 deg out-of-phase
#16
In an ac circuit with Xl and R in series, the
Avoltage across R and Xl are in phase
Bvoltage across R lags the voltage across Xl by 90 deg
Cvoltage across R and Xl are 180 deg out of phase
Dvoltage across R leads the voltage across Xl by 90 deg
#17
Leakage resistance in a capacitor results to
Ainternal heating
Binternal bleeding
Cshorter useful file
Dshort-circuiting
#18
Voltage resonance means
Aseries resonance
Bparallel resonance
Ccurrent magnification
Dgain magnification
#19
The unit of elastance is
Afarad
Bdaraf
Csiemens
Dhenry
#20
The farad is not equivalent to which of the following combination of units.
ACV^2
BC^2 / J
CC / V
DJ / V^2

More Electrical Eng. topics