PREVIOUS
1
GATE EE 1993
MCQ (More than One Correct Answer)
+1
-0
A Wein bridge oscillator is shown in figure. Which of the following statements are true if $$'f'$$ is the frequency of oscillation? GATE EE 1993 Analog Electronics - Feedback Amplifiers and Oscillator Circuits Question 3 English
A
For $$R = 1\,k\Omega ,\,C = {1 \over {2\pi }}\mu F,\,\,f = 1\,kHz$$
B
$$R = 3\,k\Omega ,\,C = {1 \over {18\pi }}\mu F,\,\,f = 3\,kHz$$
C
The gain of the op-amp stage should be less than two for proper operation
D
The gain of the op-amp stage should be three for proper operation
2
GATE EE 1992
MCQ (Single Correct Answer)
+1
-0.3
In a common Emitter amplifier, the un bypassed emitter resistance provides
A
Voltage - shunt feedback
B
Current - Series feedback
C
Negative - Voltage feedback
D
Positive - current feedback
3
GATE EE 1992
MCQ (Single Correct Answer)
+1
-0.3
The voltage series feedback in a feedback amplifier leads to
A
increase in band width, while the voltage gain becomes less sensitive to variations in components and device characteristics
B
decrease in overall gain, while the input resistance decreases
C
increase in distortion, while the output resistance decreases
D
decrease in input resistance, while the output resistance increases
PREVIOUS

GATE EE Subjects

Browse all chapters by subject

Electric Circuits
Network Elements Transient Response Two Port Networks Sinusoidal Steady State Analysis Network Theorems Three Phase Circuits Graph Theory
Electrical Machines
Induction Machines D.C Machines Transformers Synchronous Machines
Engineering Mathematics
Vector Calculus Calculus Transform Theory Probability and Statistics Differential Equations Linear Algebra Numerical Methods Complex Variable
Signals and Systems
Continuous Time Signal Fourier Transform Miscellaneous Discrete Time Signal Z Transformation Continuous Time Periodic Signal Fourier Series Continuous and Discrete Time Signals Continuous Time Signal Laplace Transform Linear Time Invariant Systems Sampling Theorem
Power Electronics
Power Semiconductor Devices Ac Voltage Controllers Single and Three Phase Rectifier Choppers and Commutation Techniques Inverters
Power System Analysis
Circuit Breaker Parameters and Performance of Transmission Lines Switch Gear and Protection High Voltage Dc Transmission Symmetrical Components and Symmetrical and Unsymmetrical Faults Load Flow Studies Per Unit System Power Generation Cost Power System Stability Generating Power Station
Digital Electronics
Boolean Algebra Combinational Circuits Logic Gates Logic Families and Memories Minimization Sequential Circuits Analog to Digital and Digital to Analog Converter Microprocessor
Analog Electronics
Diode Circuits and Applications Feedback Amplifiers and Oscillator Circuits Frequency Response Bjt and Mosfet Biasing Small Signal Modeling 555 Timer Operational Amplifier
Electromagnetic Fields
Time Varying Fields Electrostatics Magnetostatics
Control Systems
Controller and Compensator Root Locus Techniques Polar Nyquist and Bode Plot State Variable Analysis Basics of Control System Time Response Analysis Routh Hurwitz Stability Block Diagram and Signal Flow Graph
Electrical and Electronics Measurement
Basic of Indicating Instruments Error Analysis and Measurement Cathode Ray Oscilloscope Measurement of Resistance and A.C Bridges Digital Voltmeters Questions Potentiometer and Instrument Transformers Measurement of Energy and Power
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
EXAM MAP

Browse past year questions by exam & subject

Joint Entrance Examination
JEE Main JEE Advanced MHT CET BITSAT COMEDK WB JEE KCET VITEEE AP EAPCET TS EAMCET IAT (IISER)
Medical
NEET AIIMS MHT CET (Biology)
Graduate Aptitude Test in Engineering
GATE CSE GATE ECE GATE EE GATE ME GATE CE GATE PI GATE IN GATE Data Science and Artificial Intelligence
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12