Signals and Systems

MULTIPLE CHOICE QUESTIONS

1. The Fourier series expansion of odd function with half wave symmetry will have only odd harmonics
   1. true
   2. false
2. The trigonometric Fourier series of an even function of time does not contain
   1. sine term
   2. odd harmonic term
   3. cosine term
   4. DC term
3. The trigonometric Fourier series of a periodic time function have
   1. sine terms
   2. cosine terms
   3. DC term and (a) and (b)
   4. both (a) and (b)
4. The expression of F_n and F_−n are
   1. 
   2. 
   3. 
   4. none of these