1
GATE EE 2015 Set 2
+1
-0.3
The filters $${F_1}$$ and $${F_2}$$ having characteristics as shown in figures $$(a)$$ and $$(b)$$ are connected as shown in Figure $$(c).$$ The cut-off frequencies of $$F1$$ and $$F2$$ are $${f_1}$$ and $${f_2}$$ respectively. If $${f_1}\, < \,{f_2},$$ the resultant circuit exhibits the characteristic of a

A
Band-pass filter
B
Band-stop filter
C
All pass filter
D
High-Q filter
2
GATE EE 2015 Set 1
+1
-0.3
Consider the circuit shown in the figure. In this circuit $$R = 1\,\,k\Omega ,$$ and $$C = 1\,\,\mu F.$$ The input voltage is sinusoidal with a frequency of $$50$$ $$Hz,$$ represented as a phasor with magnitude $${V_i}$$ and phase angle $$0$$ radian as shown in the figure. The output voltage is represented as a phasor with magnitude $${V_0}$$ and phase angle $$\delta$$ radian. What is the value of the output phase angle $$\delta$$ (in radian) relative to the phase angle of the input voltage? A
$$0$$
B
$$\pi$$
C
$$\pi /2$$
D
$$- \pi /2$$
3
GATE EE 2015 Set 1
+1
-0.3
Of the four characteristics given below, which are the major requirements for an instrumentation amplifier?
P. $$\,\,\,\,$$High common mode rejection ratio
Q. $$\,\,\,\,$$High input impedance
R. $$\,\,\,\,$$High linearity
S. $$\,\,\,\,$$High output impedance
A
P, Q and R only
B
P and R only
C
P, Q and S only
D
Q, R and S only
4
GATE EE 2014 Set 3
+1
-0.3
An operational-amplifier circuit is shown in the figure. The output of the circuit for a given input $${V_i}$$ is

A
$$- \left( {{{{R_2}} \over {{R_1}}}} \right){V_i}$$
B
$$- \left( {1 + {{{R_2}} \over {{R_1}}}} \right){V_i}$$
C
$$\left( {1 + {{{R_2}} \over {{R_1}}}} \right){V_i}$$
D
$$+ {V_{sat}}\,\,$$ or $$- {V_{sat}}\,\,$$
GATE EE Subjects
Electric Circuits
Electromagnetic Fields
Signals and Systems
Electrical Machines
Engineering Mathematics
General Aptitude
Power System Analysis
Electrical and Electronics Measurement
Analog Electronics
Control Systems
Power Electronics
Digital Electronics
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