1
GATE EE 2002
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown in Fig. what value of $$C$$ will cause a unity power factor at the $$ac$$ source? GATE EE 2002 Electric Circuits - Sinusoidal Steady State Analysis Question 21 English
A
$$68.1\,\,\mu F$$
B
$$165\,\,\mu F$$
C
$$0.681\,\,\mu F$$
D
$$6.81\,\,\mu F$$
2
GATE EE 2000
MCQ (Single Correct Answer)
+2
-0.6
The impedance seen by the source in the circuit in Fig. is given by GATE EE 2000 Electric Circuits - Sinusoidal Steady State Analysis Question 23 English
A
$$\left( {0.54 + j0.313} \right)\,ohms$$
B
$$\left( {4 - j2} \right)\,ohms$$
C
$$\left( {4.54 - j1.69} \right)\,ohms$$
D
$$\left( {4 + j2} \right)\,ohms$$
3
GATE EE 2000
MCQ (Single Correct Answer)
+2
-0.6
If an $$ac$$ voltage wave is corrupted with an arbitrary number of harmonics, then the overall voltage waveform differs from its fundamental frequency component in terms of
A
only the peak values
B
only the $$rms$$ values
C
only the average values
D
all the three measures (peak, $$rms$$ and average values)
4
GATE EE 1999
MCQ (Single Correct Answer)
+2
-0.6
A fixed capacitor of reactance –$$j0.02$$ $$\Omega $$ is connected in parallel across a series combination of a fixed inductor of reactance $$j0.01$$ $$\Omega $$ and a variable resistance $$R.$$ As $$R$$ is varied from zero to infinity, the locus diagram of the admittance of this $$L-C-R$$ circuit will be
A
a semi $$-$$ circle of diameter $$j$$ $$100$$ and center at zero.
B
a semi-circle of diameter $$j$$ $$50$$ and center at zero
C
a straight line inclined at an angle
D
a straight line parallel to the $$x$$ $$-$$ axis.
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