JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.
EEC Online Quiz (AC Fundamentals)
Test Your Preparation For The AC Fundamentals Chapter Of EEC.
Sign in to Google
to save your progress.
Learn more
* Indicates required question
What is meant by AC Supply?
*
10 points
Magnitude and direction changes continuously
Magnitude and direction remains constant
Magnitude and direction are stationary
None of The above
What is meant by DC Supply?
*
10 points
Magnitude and direction changes continuously
Magnitude and direction remains constant
Magnitude and direction are stationary
None of The above
What are applications of DC supply from below?
*
10 points
Battery
Cell
Electronic device's supply
All of the above
What are applications of AC supply from below?
*
10 points
Industrial supply
Domestic Supply
Supply for all heavy machinery
All of the above
What is the definition of waveform?
*
10 points
It is graphical representation between amplitude and time.
It is graphical representation between phase angle and current
Option 1 & 2
None of the Above
Mathematical Representation of Instantaneous Voltage is given by
*
10 points
v=Vm Cos(2πFt)
v=Vm Sin(Ft)
v=Vm Sin(2πFt)
None of the Above
What is meant by cycle?
*
10 points
Cycle consist of one positive part and one negative part which remains constant
Cycle consist of one positive part and one negative part which repeats continuosly
Cycle consist of only positive part which repeats continuously
Cycle consist of only negative part which repeats continuously
What is meant by time period?
*
10 points
It is time required to complete half cyle
it is time required to complete one cycle
It is time required to complete flow of current
None Of The Above
What is meant by frequency?
*
10 points
Number of cycles completed in one second
In one second,the number of cycles completed is frequency
Option 1 and 2
None Of The Above
What is amplitude or peak value?
*
10 points
Maximum value of AC Current
Maximum value of AC Voltage
Maximum value of AC Voltage or AC Current
All Of The Above
What is angular velocity?And its Formula?
*
10 points
Rate of change of angular displacement with respect to the time.Formula: W=2π/T or 2πF
Rate of change of angular distance with respect to time.Formula: W=2π/T or 2πF
Rate of change of time with respect to angular displacement.Formula: W=2π/T or 2πF
None of The Above
What is the equation for Avg. Value?
*
10 points
Average Value=Peak Value or Maximum Value*0.707
Average Value=Peak Value or Maximum Value*0.637
Average Value=Peak Value or Maximum Value*1.41
None of The Above
What is the equation for RMS.Value?
*
10 points
RMS Value=Peak Value or Maximum Value*0.707
RMS Value=Peak Value or Maximum Value*0.637
RMS Value=Peak Value or Maximum Value*1.10
None of The Above
What is the formula and approximate value of Form Factor?
*
10 points
Form Factor=Average Value/RMS Value,Aprrox=1.41
Form Factor=RMS Value/Average Value,Approx=1.10
Form Factor=Maximum Value/Average Value,Approx=1.10
Form Factor=Maximum Value/RMS Value,Approx=1.41
What is the formula and approximate value of Crest Factor?
*
10 points
Crest Factor=Average Value/RMS Value,Aprrox=1.41
Crest Factor=RMS Value/Average Value,Approx=1.10
Crest Factor=Maximum Value/Average Value,Approx=1.10
Crest Factor=Maximum Value/RMS Value,Approx=1.41
What is Leading Phase Difference?
*
10 points
If Phase difference(φ) is positive
If Phase difference(φ) is negative
If Phase difference(φ) is zero
If Phase difference(φ) is 180 Degree
What is Lagging Phase Difference?
*
10 points
If Phase difference(φ) is positive
If Phase difference(φ) is negative
If Phase difference(φ) is zero
If Phase difference(φ) is 180 Degree
What is meant by In phase?
*
10 points
If Phase difference(φ) is positive
If Phase difference(φ) is negative
If Phase difference(φ) is zero
If Phase difference(φ) is 180 Degree
What is meant by Out Of Phase?
*
10 points
If Phase difference(φ) is positive
If Phase difference(φ) is negative
If Phase difference(φ) is zero
If Phase difference(φ) is 180 Degree
What is Reactance?
*
10 points
Opposition to flow of AC current
Opposition to flow of DC current
Opposition to flow of electrons
None of The Above
What is Inductive Reactance and its formula?
*
10 points
Opposition to flow of AC current by resistor.Formula:XL=2πFL
Opposition to flow of AC current by capacitor.Formula:XL=2πFL
Opposition to flow of AC current by inductor.Formula:XL=2πFL
None of The Above
What is Capacitive Reactance and its formula?
*
10 points
Opposition to flow of AC current by resistor.Formula:Xc=1/2πFC
Opposition to flow of AC current by capacitor.Formula:Xc=1/2πFC
Opposition to flow of AC current by inductor.Formula:Xc=1/2πFC
None of The Above
What is Impedence and its Formula?
*
10 points
Combination of resistance,inductive reactance and capacitive reactance .Formula:z=|z|<φ
Combination of resistance and capacitive reactance.Formula:z=|z|<φ
Combination of resistance and inductive reactance.Formula:z=|z|<φ
None of The Above
In Pure Resistive Circuit:
*
10 points
Current and Voltage are in phase.φ=0
Current and Voltage are out of phase.φ=180
Current leads Voltage by phase angle of 90.φ=90
Current laggs behind Voltage by phase angle of 90.φ=-90
In Pure Inductive Circuit:
*
10 points
Current and Voltage are in phase.φ=0
Current and Voltage are out of phase.φ=180
Current leads Voltage by phase angle of 90.φ=90
Current laggs behind Voltage by phase angle of 90.φ=-90
In Pure Capacitive Circuit:
*
10 points
Current and Voltage are in phase.φ=0
Current and Voltage are out of phase.φ=180
Current leads Voltage by phase angle of 90.φ=90
Current laggs behind Voltage by phase angle of 90.φ=-90
What is the equation for Reactive Power?
*
10 points
Q=VI Cos(φ)
Q=VI Sin(φ)
Q=VI
None Of The Above
What is the equation for Active Power?
*
10 points
P=VI Cos(φ)
P=VI Sin (φ)
P=VI
None Of The Above
What is the equation for Apparent Power?
*
10 points
S=VI Cos(φ)
S=VI Sin (φ)
S=VI
None Of The Above
The Figure Indicates:
*
10 points
Power Triangle
Relationship Between Three Powers
Option 1 and 2
None Of The Above
In RL Series Circuit:
*
10 points
Current laggs behind voltage by phase angle of 90.φ=-90
Current and Voltage are out of phase.φ=180
Current leads Voltage by phase angle of 90.φ=90
Current and Voltage are in phase.φ=0
In RC Series Circuit:
*
10 points
Current laggs behind voltage by phase angle of 90.φ=-90
Current and Voltage are out of phase.φ=180
Current leads Voltage by phase angle of 90.φ=90
Current and Voltage are in phase.φ=0
Submit
Clear form
Forms
This content is neither created nor endorsed by Google.
Report Abuse
Terms of Service
Privacy Policy