WorksheetsADC
Total questions: 4
Worksheet time: 5mins
Name
Class
Date
1.
Let x(t) has Fourier transform X(w). The Fourier transform of the signal x(5t-3) is
a)
1/5 e-j3w/5 X(w/5)
b)
1/5 ej3w/5 X(w/5)
c)
1/5 e-3w X(w/5)
d)
1/5 e3w X(w/5)
2.
If x(t) has Fourier transform X(w). The Fourier transform of the signal (t+1)x(t+1) is
a)
ejw
b)
j ejw d/dw(X(w))
c)
j d/dw(X(w))
d)
j X(w)
3.
Human Voice frequency range is
a)
300Hz-3400Hz
b)
3KHz-30KHz
c)
20Hz-20KHz
d)
30KHz-300KHz
4.
The AM radio broadcast range is
a)
3Khz- 30KHz
b)
20Hz -20KHz
c)
550KHz -1650KHz
d)
3MHz-30MHz
100 %
