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1
GATE EE 2000
MCQ (Single Correct Answer)
+1
-0.3
A thyristorised three phase fully controlled converter feeds a $$dc$$ load that draws a constant current. Then the input $$ac$$ line current to the converter has
A
An $$r.m.s$$ value equal to the $$dc$$ load current
B
An average value equal to the $$dc$$ load current
C
A peak value equal to the $$dc$$ load current
D
A fundamental frequency component, whose $$r.m.s$$ value is equal to the $$dc$$ load current
2
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
Resonant Converter's are basically used to
A
Generate large peaky voltage
B
Reduce the switching losses
C
Eliminate harmonics
D
Convert a square wave into a sine wave
3
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
In a dual converter, the circulating current
A
Allows smooth reversal of load current, but increases the response time
B
Does not allow smooth reversal of load current, but reduces the response time
C
Allows smooth reversal of load current with improved speed of response
D
Flows only if there is no interconnecting inductor
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
In a $$3$$ - phase controlled bridge rectifier, with an increase of overlap angle the output $$dc$$ voltage
A
Decreases
B
Increases
C
Does not change
D
Depends upon load inductance
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GATE EE Subjects

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Digital Electronics
Analog to Digital and Digital to Analog Converter Microprocessor Sequential Circuits Logic Gates Minimization Logic Families and Memories Boolean Algebra Combinational Circuits
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
Power System Analysis
Power System Stability Load Flow Studies Parameters and Performance of Transmission Lines High Voltage Dc Transmission Circuit Breaker Symmetrical Components and Symmetrical and Unsymmetrical Faults Per Unit System Power Generation Cost Switch Gear and Protection Generating Power Station
Analog Electronics
Operational Amplifier 555 Timer Small Signal Modeling Bjt and Mosfet Biasing Diode Circuits and Applications Feedback Amplifiers and Oscillator Circuits Frequency Response
Electric Circuits
Network Elements Transient Response Two Port Networks Sinusoidal Steady State Analysis Network Theorems Three Phase Circuits Graph Theory
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
Power Electronics
Power Semiconductor Devices Ac Voltage Controllers Single and Three Phase Rectifier Choppers and Commutation Techniques Inverters
Electromagnetic Fields
Time Varying Fields Electrostatics Magnetostatics
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
Electrical Machines
Induction Machines D.C Machines Transformers Synchronous Machines
Engineering Mathematics
Linear Algebra Differential Equations Probability and Statistics Complex Variable Transform Theory Numerical Methods Calculus Vector Calculus
General Aptitude
Verbal Ability Logical Reasoning Numerical Ability
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