The Nth root of unity WN is given as: – McqOptions

MCQOPTIONS

1.	The Nth root of unity WN is given as:
A.	ej2πN
B.	e-j2πN
C.	e-j2π/N
D.	ej2π/N
Answer» D. ej2π/N

Discussion

No Comment Found

Related MCQs

The ROC of z-transform of any signal cannot contain poles.
A linear time invariant system is characterized by the system function H(z)=1/(1-0.5z-1 )+2/(1-3z-1 ).What is the ROC of H(z) if the system is causal?
Is the discrete time LTI system with impulse response h(n)=an(n) (|a| < 1) BIBO stable?
If all the poles of H(z) are inside the unit circle, then the system is said to be:
The z-transform X(z) of the signal x(n)=anu(n) has:
What is the one sided z-transform X+(z) of the signal x(n)={1,2,5,7,0,1}?
If pk, k=1,2,…N are the poles of the system and |pk| < 1 for all k, then the natural response of such a system is called as Transient response.
What is the unit step response of the system described by the difference equationy(n)=0.9y(n-1)-0.81y(n-2)+x(n) under the initial conditions y(-1)=y(-2)=0?
A linear time invariant system is characterized by the system function H(z)=1/(1-0.5z-1 )+2/(1-3z-1 ).What is the h(n) if the system is anti causal?
Sampling rate conversion by the rational factor I/D is accomplished by what connection of interpolator and decimator?