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1
GATE EE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In the Wien Bridge oscillator circuit shown in figure, the bridge is balanced when GATE EE 2014 Set 1 Analog Electronics - Feedback Amplifiers and Oscillator Circuits Question 8 English
A
$${{{R_3}} \over {{R_4}}} = {{{R_1}} \over {{R_2}}},\,\,\,\omega = {1 \over {\sqrt {{R_1}{C_1}{R_2}{C_2}} }}$$
B
$${{{R_2}} \over {{R_1}}} = {{{C_2}} \over {{C_1}}},\,\,\,\omega = {1 \over {{R_1}{C_1}{R_2}{C_2}}}$$
C
$${{{R_3}} \over {{R_4}}} = {{{R_1}} \over {{R_2}}} + {{{C_2}} \over {{C_1}}},\,\,\,\omega = {1 \over {\sqrt {{R_1}{C_1}{R_2}{C_2}} }}$$
D
$${{{R_3}} \over {{R_4}}} + {{{R_1}} \over {{R_2}}} = {{{C_2}} \over {{C_1}}},\,\,\,\omega = {1 \over {{R_1}{C_1}{R_2}{C_2}}}$$
2
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
In the feedback network shown below, if the feedback factor $$k$$ is increased, then the GATE EE 2013 Analog Electronics - Feedback Amplifiers and Oscillator Circuits Question 9 English
A
input impedance increases and output impedance decreases.
B
input impedance increases and output impedance also increases.
C
input impedance decreases and output impedance also decreases.
D
input impedance decreases and output impedance increases.
3
GATE EE 2010
MCQ (Single Correct Answer)
+1
-0.3
As shown in the figure, a negative feedback system has an amplifier of gain $$100$$ with $$ \pm 10\% $$ tolerance in the forward path, and an attenuator of value $$9/100$$ in the feedback path. The overall system gain is approximately. GATE EE 2010 Analog Electronics - Feedback Amplifiers and Oscillator Circuits Question 10 English
A
$$10 \pm 1\% $$
B
$$10 \pm 2\% $$
C
$$10 \pm 5\% $$
D
$$10 \pm 10\% $$
4
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
An op-amp has an open-loop gain of $${10^5}$$ and an open-loop upper cutoff frequency of $$10$$ $$Hz.$$ If this op-amp is connected as an amplifier with a closed-loop gain of $$100,$$ then the new upper cutoff frequency is
A
$$10$$ $$Hz$$
B
$$100$$ $$Hz$$
C
$$10$$ $$kHz$$
D
$$100$$ $$kHz$$
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GATE EE Subjects
Electric Circuits
Three Phase Circuits Transient Response Graph Theory Two Port Networks Sinusoidal Steady State Analysis Network Elements Network Theorems
Electromagnetic Fields
Time Varying Fields Electrostatics Magnetostatics
Signals and Systems
Continuous and Discrete Time Signals Linear Time Invariant Systems Continuous Time Signal Fourier Transform Discrete Time Signal Z Transformation Continuous Time Signal Laplace Transform Sampling Theorem Continuous Time Periodic Signal Fourier Series Miscellaneous
Electrical Machines
Induction Machines D.C Machines Synchronous Machines Transformers
Engineering Mathematics
Calculus Vector Calculus Linear Algebra Differential Equations Probability and Statistics Transform Theory Complex Variable Numerical Methods
General Aptitude
Verbal Ability Numerical Ability
Power System Analysis
Per Unit System Power Generation Cost Power System Stability Symmetrical Components and Symmetrical and Unsymmetrical Faults Circuit Breaker Switch Gear and Protection Load Flow Studies High Voltage Dc Transmission Generating Power Station Parameters and Performance of Transmission Lines
Electrical and Electronics Measurement
Error Analysis and Measurement Basic of Indicating Instruments Potentiometer and Instrument Transformers Measurement of Resistance and A.C Bridges Measurement of Energy and Power Digital Voltmeters Questions Cathode Ray Oscilloscope
Analog Electronics
Diode Circuits and Applications Frequency Response Bjt and Mosfet Biasing 555 Timer Feedback Amplifiers and Oscillator Circuits Operational Amplifier Small Signal Modeling
Control Systems
Time Response Analysis Block Diagram and Signal Flow Graph Polar Nyquist and Bode Plot State Variable Analysis Root Locus Techniques Basics of Control System Routh Hurwitz Stability Controller and Compensator
Power Electronics
Choppers and Commutation Techniques Single and Three Phase Rectifier Power Semiconductor Devices Ac Voltage Controllers Inverters
Digital Electronics
Sequential Circuits Microprocessor Boolean Algebra Analog to Digital and Digital to Analog Converter Combinational Circuits Minimization Logic Families and Memories Logic Gates
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