Given a periodic rectangular waveform of frequency 1 kHz, symmetrical – McqOptions

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1.	Given a periodic rectangular waveform of frequency 1 kHz, symmetrical about t=0 and having a pulse width of 500 s and amplitude 5 V. The Fourier series is ___________
A.	2.5 + 3.18 cos (2 10<sup>3</sup> t) 1.06 cos (6 10<sup>3</sup> t)
B.	2.5 3.18 cos (2 10<sup>3</sup> t) 1.06 cos (6 10<sup>3</sup> t)
C.	2.5 + 3.18 cos (2 10<sup>3</sup> t) + 1.06 cos (6 10<sup>3</sup> t)
D.	2.5 3.18 cos (2 10<sup>3</sup> t) + 1.06 cos (6 10<sup>3</sup> t)
Answer» B. 2.5 3.18 cos (2 10<sup>3</sup> t) 1.06 cos (6 10<sup>3</sup> t)

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