PREVIOUS NEXT
1
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Choose the function f (t );−$$\infty$$ < 1 < +$$\infty$$, for which a Fourier series cannot be defined.
A
3sin(25t)
B
4cos(20t+3)+2sin(10t)
C
exp (−|t|) sin(25t)
D
1
2
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
Which of the following cannot be the Fourier series expansion of a periodic signal?
A
x(t) = 2cos t + 3 cos 3t
B
x(t) = 2cos $$\mathrm\pi$$t + 7 cos t
C
x(t) = cos t + 0.5
D
x(t) = 2cos 1.5$$\mathrm\pi$$t + sin 3.5 $$\mathrm\pi$$t
3
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The trigonometric Fourier series of a periodic time function can have only
A
cosine terms
B
sine terms
C
cosine and sine terms
D
d.c. and cosine terms
4
GATE ECE 1996
MCQ (Single Correct Answer)
+1
-0.3
The trigonometric Fourier series of an even function of time does not have the
A
dc term
B
cosine terms
C
sine terms
D
odd harmonic terms
PREVIOUS NEXT

GATE ECE Subjects

Browse all chapters by subject

Control Systems
Stability Frequency Response Analysis Compensators State Space Analysis Root Locus Diagram Signal Flow Graph and Block Diagram Time Response Analysis Basic of Control Systems
Engineering Mathematics
Probability and Statistics Transform Theory Numerical Methods Calculus Differential Equations Linear Algebra Vector Calculus Complex Variable
Analog Circuits
Oscillators Operational Amplifier 555 Timer Diodes FET and MOSFET Power Amplifier Frequency Response Bipolar Junction Transistor Feedback Amplifier
Network Theory
Network Elements Sinusoidal Steady State Response Network Theorems Two Port Networks Network Graphs Transient Response State Equations For Networks Miscellaneous
Electromagnetics
Maxwell Equations Transmission Lines Uniform Plane Waves Antennas Waveguides Miscellaneous
Electronic Devices and VLSI
PN Junction Semiconductor Physics IC Basics and MOSFET BJT and FET
Digital Circuits
Logic Families Analog to Digital and Digital to Analog Converters Boolean Algebra Semiconductor Memories Number System and Code Convertions Logic Gates Combinational Circuits Sequential Circuits
Microprocessors
Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085
Signals and Systems
Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Representation of Continuous Time Signal Fourier Series Transmission of Signal Through Continuous Time LTI Systems Miscellaneous Sampling Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Discrete Time Signal Z Transform Transmission of Signal Through Discrete Time Lti Systems
Communications
Fundamentals of Information Theory Noise In Digital Communication Digital Communication Systems Random Signals and Noise Analog Communication Systems
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