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Year 2024
March
Week # 1
Expire on 31 Mar 2024
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Week # 2
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March
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FAQs
March
Week # 1 Quiz 1
Q1.
If three 10 \(\mu\)F capacitors are connected in parallel, the net Capacitance is
10/3 \(\mu\)F
30 \(\mu\)F
3/10 \(\mu\)F
60 \(\mu\)F
Q2.
MOSFET can be used as a _______.
Current controlled capacitor
Voltage controlled inductor
Voltage controlled capacitor
Current controlled inductor
Q3.
When a delta-delta supply system is converted to V-V system of supply, the capacity of system is reduced to
66.70%
86.70%
57.70%
50%
Q4.
Each Flip-Flop has ________ states and is capable of storing _________.
2; 2bits
2; 1bit
3; 3bits
4; 4bits
Q5.
JFET is a/an_________device.
antipolar
bipolar
tripolar
unipolar
Q6.
Consider two buses is connected by an impedance of \((0+j5)\Omega\) The bus 1 voltage is \(100 \angle 30 ^\circ\) V, and bus 2 voltage is \(100 \angle0 ^\circ\) V. The real and reactive power supplied by bus 1, respectively are (Consider power flowing from bus 1 to 2 as positive)
1000 W, 268 Var
-1000 W, -134 Var
276.9 W. -56.7 Var
-276.9 W, 56.7 Var
Q7.
A six pulse thyristor rectifier bridge is connected to a balanced 50 Hz three phase ac source. Assuming that the DC output current of the rectifier is constant. The lowest frequency harmonics component of the ac source line current is
100 Hz
150 Hz
250 Hz
300 Hz
Q8.
Reverse resistance of diode is of the
mΩ
Ω
kΩ
MΩ
Q9.
The duty cycle of a step down chopper is
\(T_{on} / (T_{on} + T_{off})\)
\(T_{off} / (T_{on} + T_{off})\)
\((T_{on} + T_{off}) / T_{on}\)
\(T_{on} + T_{off}) / T_{off}\)
Q10.
In order to improve the voltage profile of the line, compensation is resorted by providing
Capacitors at the receiving end
Resistors at the receiving end
Reactors at the receiving end
Transformers at the receiving end
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