Electronics and Communication Engineering - Signals and Systems

41.
If f(t) ↔ F(jω),
F(jω)
[F(jω)]n
(jω)n F(jω)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
The energy of highest value of Autocorrelation of a function 100 cos 50 pt is
50
10
200
zero
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
If u is input, y is output and a, b are constants, the system y = au + b
is linear
is nonlinear
may be linear or nonlinear dependig on values of a and b
may be linear or nonlinear depending on value of u
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
In RLC circuits the state variables generally selected are
voltages across capacitors
currents through resistances and voltages across capacitors
currents through resistances and capacitances
currents through inductances and voltages across capacitances
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Auto correlation function
is an even function of t
is an odd function of t
may be an even or odd function of t
is both an odd and even function of t
Answer: Option
Explanation:
No answer description is available. Let's discuss.