Electronics and Communication Engineering - Signals and Systems

11.
The peak factor is
rms value/peak value
rms value/average value
peak value/rms value
peak to peak value/rms value
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.

Assertion (A): A half cycle of sine wave can be expressed as sum of sine wave and another sine wave shifted by T/2 where T is the time period.

Reason (R): The function u(t - t0) - u(t - t0 - T) is a gate function occuring at t = t0 and of duration T.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
If xk = ak and k ≥ 0
X(z) = (1 - az-1)-1 with |a| < |z|
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
The function δ' (t-b) is
a step function originating at t = b
an impulse function originating at t = b
a unit doublet originating at = t - b
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
The function sinc x is equal to
Answer: Option
Explanation:
No answer description is available. Let's discuss.