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# Fourier Series – 1 – 1

1. The Fourier transform of product of two time functions [f1(t)f2(t)] is given by :

(a) [f1(ω) + f2(ω)]
(b) [f1(ω) / f2(ω)]
(c) [f1(ω) * f2(ω)]
(d) [f1(ω) x f2(ω)]

Explanation
No answer description available for this question.

2. The magnitude spectrum of a Fourier transform of a real-valued time signal has _______ symmetry.

(a) no
(b) odd
(c) even
(d) conjugate

Explanation
No answer description available for this question.

3. The trigonometric Fourier series of a periodic time function can have only ______ terms.

(a) sine
(b) cosine
(c) sine and cosine
(d) dc and cosine

Explanation
No answer description available for this question.

4. In Fourier series expansion, Awill zero for _______ function and will be zero for _______ function.

(a) odd, odd
(b) odd, even
(c) even, odd
(d) even, even

Explanation
No answer description available for this question.

5. The inverse Fourier transform of product of two time functions [f1(ω)f2(ω)] is given by :

(a) [f1(t) + f2(t)]
(b) [f1(t) * f2(t)]
(c) [f1(t) / f2(t)]
(d) [f1(t) x f2(t)]