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Year 2023
November
Week # 3
Expire on 14 Dec 2023
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November
Week # 4
Expire on 21 Dec 2023
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December
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Expire on 31 Dec 2023
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FAQs
November
Week # 1 Quiz 3
Q1.
Inductor and capacitor does not allow sudden change in ______ and______, respectively.
voltage, current
active power, reactive power
reactive power, active power
current, voltage
Q2.
The Norton's equivalent current \((I_N)\) between A and B for the circuit is:
\(1\:A\)
\(0\:A\)
\(2.5\:A\)
\(4\:A\)
Q3.
When capacitances are connected in series, the equivalent capacitance
Decreases
Increases
No change
May increase or decrease
Q4.
In series resonance, the resonance frequency is the ________________ the two half power frequencies.
Geometric mean of
ratio of
difference between
algebraic sum of
Q5.
In case of a balanced three phase sinusoidal AC supply, because of the phase difference
neutral wire is not required, if load is balanced
rotating magnetic field is produced
neutral current is high if load is not balanced
all are correct
Q6.
One HP =
756 watts
746 watts
860 watts
856 watts
Q7.
Lead network is used to __________.
Improve transient response
Both A and C
Increase bandwidth
Improve steady state response
Q8.
A system has eigen values -2 and -3. What will be the response of the system?
Cannot be determined
Overdamped response
Underdamped response
Undamped response
Q9.
Feedback oscillations have a closed loop gain of (where G, H are gain of forward and feedback path)
\(\frac{G}{1 – GH}\)
\(\frac{G}{1 + GH}\)
\(\frac{G}{1 \pm GH}\)
\(\frac{H}{1 + GH}\)
Q10.
If the complex poles of a system have greater real parts, then the overshoot is
Less
More
Not affected
Sometimes less and sometimes more
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