1
GATE ECE 1992
+2
-0.6
For the series R-L-C circuit of figure(a), the partial phasor diagram at a certain frequency is shown in figure (b).The operating frequency of the circuit is: A
equal to the resonance frequency
B
less than the resonance frequency
C
greater than the resonance frequency
D
not zero
2
GATE ECE 1991
+2
-0.6
In a series RLC high Q circuit, the current peaks at a frequency
A
equal to the resonant frequency
B
greater than the resonant frequency
C
less than the resonant frequency
D
none of the above
3
GATE ECE 1990
+2
-0.6
The resonant frequency of this series circuit shown in figure is A
$${1 \over {4\pi \sqrt 3 }}Hz$$
B
$${1 \over {4\pi }}Hz$$
C
$${1 \over {2\pi \sqrt {10} }}Hz$$
D
$${1 \over {4\pi \sqrt 2 }}Hz$$
4
GATE ECE 1990
+2
-0.6
The transfer function of simple RC network functioning as a controller is $$G\,{}_c\left( s \right)\,\,\,\,{{s + {z_1}} \over {s + {p_1}}}$$\$

The condition for the RC network to act as a phase lead controller is

A
p1 < z1
B
p1 = 0
C
p1 = z1
D
p1 > z1
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Communications
Electromagnetics
General Aptitude
Engineering Mathematics
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