1
GATE ECE 2014 Set 2
Numerical
+1
-0
Consider the periodic square wave in the figure shown. GATE ECE 2014 Set 2 Signals and Systems - Representation of Continuous Time Signal Fourier Series Question 8 English The ratio of the power in the 7th harmonic to the power in the 5th harmonic for this waveform is closest in value to _______.
Your input ____
2
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
The trigonometric Fourier series for the waveform f(t) shown below contains GATE ECE 2010 Signals and Systems - Representation of Continuous Time Signal Fourier Series Question 9 English
A
only cosine terms and zero value for the dc component
B
only cosine terms and a positive value for the dc component
C
only cosine terms and a negative value for the dc component
D
only sine terms and a negative for the dc component
3
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3
The Fourier series of a real periodic function has only

P. Cosine terms if it is even

Q. Sine terms if it is even

R. Cosine terms if it odd

S. Sine terms if it is odd

Which of the above statement are correct?
A
P and S
B
P and R
C
Q and S
D
Q and R
4
GATE ECE 2009
MCQ (Single Correct Answer)
+1
-0.3
A function is given by f(t) = sin2t +cos2t . Which of the following is true?
A
f has frequency components at 0 and $$1/2\mathrm\pi$$ Hz
B
f has frequency components at 0 and $$1/\mathrm\pi$$ Hz
C
f has frequency components at $$1/2\mathrm\pi$$ and $$1/\mathrm\pi$$ Hz
D
f has frequency components at 0, $$1/2\mathrm\pi$$ and $$1/\mathrm\pi$$ Hz
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