Question is ⇒ If a linear time invartant system is exicited by a pure random signal like white noise, the output of the linear system will have which of the following properties?, Options are ⇒ (A) Output will be a white noise, (B) Output will be periodic, (C) Output will be random, (D) Output will be correlated or coloured noise, (E) , Leave your comments or Download question paper.

Question is ⇒ If a linear time invartant system is exicited by a pure random signal like white noise, the output of the linear system will have which of the following properties?, Options are ⇒ (A) Output will be a white noise, (B) Output will be periodic, (C) Output will be random, (D) Output will be correlated or coloured noise, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	If a linear time invartant system is exicited by a pure random signal like white noise, the output of the linear system will have which of the following properties?
A.	Output will be a white noise [Wrong Answer]
B.	Output will be periodic [Wrong Answer]
C.	Output will be random [Correct Answer]
D.	Output will be correlated or coloured noise [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ 74 HC series can sink upto 4 mA. The 74 LS series has I_IL(max) - 0.4 mA. How many 74 LS inputs be driven by 74 HC output?
100
none
8
10

⇒ For the binary number 11101000, the equivalent hexadecimal number is
F 9
F 8
E 9
E 8

⇒ In the wave mechanical theory, the maximum of the charge distribution in the ground state occurs for a distance from the nucleus equal to
first Bohr radius
second Bohr radius
third Bohr radius
either first or second Bohr radius

⇒ A single phase semiconverter is feeding a highly inductive load. The circuit has a freewheeling diode across the load and firing angle is a. During one cycle of input voltage, the total duration of conduction of freewheeling diode is
a
2 a
4 a
0.5 a

⇒ The function f(t) = E[u(t - a) - u(t - b)] is
a pulse function originating at t = a
a step function orginating at t = 0
an exponential function originating at t = a
a pulse function originating at t = a and duration (b - a)

⇒ In the given figure the E and H lines in a coaxial c
The radial lines are E lines and circular lines are H lines
Radial lines are H lines and circular lines are E lines
The directions of E and H lines are wrong
Radial lines may be E and H lines depending an direction of current

⇒ Consider the following statem
2 and 3
1 only
2 and 4
none

⇒ Electric dipole is located at origin in a medium with ε_r = 6, has a moment P = (4a_x - 2a_y + a_z ) nC. Then potential at (2, 4, 4) is:
0.062
0.027
0.042
0.072

⇒

Match the following:

	List I		List II
A.	Very low response at very high frequencies	1.	Low-pass system
B.	Over shoot	2.	Velocity damping
C.	Synchro-control transformer output	3.	Natural frequency
		4.	Phase-sensitive modulation
		5.	Damping ratio

A-1, B-5, C-4
A-3, B-2, C-4
A-2, B-5, C-4
A-4, B-1, C-3

⇒ A telephone exchange has 9000 subscribers. If the number of calls originating at peak time is 10, 000 in one hour, the calling rate is
0.9
43017
0.81
0.1

⇒ Two resistances R₁ = 18.7 Ω. and R₂ = 3.624 Ω in series. The total resistance to the appropriate number of significant figures is
22.324 Ω
22.32 Ω
22.3 Ω
22 Ω

⇒ In a TV receiver the video IF amplifier provides a gain of about
5 dB
20 dB
60 dB
200 dB

⇒ Consider the following part of a C program float a
2 and 9
2.0 and 9.0
2.0 and 2.0
9.0 and 2.0

⇒ A small signal source v_i(t) = A cos 20t + B sin10⁶t is applied to a transistor amplifier as shown below. The transistor has β = 150 and h_ie = 3 kΩ. Which expression best approximates V₀(t<
v₀(t) = -1500 (A cos 20t + B sin 10⁶t)
v₀(t) = -150 (A cos 20t + B sin 10⁶t)
v₀(t) = -1500 B sin 10⁶t
V₀(t) = -1500 sin 10⁶t

⇒ Resistivity of metals is expressed in terms of
μ ohm
μ ohm/cm
μ ohm-cm
μ ohm-cm/°C

⇒ For operation of enhancement only N-channel MOSFET, value of gate voltage has to be
zero
low positive
high negative
high positive

⇒ In the given figure shows a logic circuit. The minimum Boolean expression for this circui
A + B
A + B + C
AB + C
AB + AC + BC

⇒ The inductance of a twin feeder used to connect antenna to TV receiver is about
0.2 μ H/m
0.6 μ H/m
1.6 μ H/m
10 μ H/m

⇒ The logic represented by the abbreviation ECL is
Emitter Coupled Logic
Electron Carrier Logic
Encoding Clock Logic
Electrostatic Channel Logic

⇒ A binary adder has
one half adder
one half adder and 2 full adders
two half adders
one half adder and many full adders

⇒ In the above case the hexadecimal notation for the last memory location is
0
FFFF
3FFF
5FFF

⇒
Assertion (A): Charge is dual of flux.
Reason (R): Short circuit is dual of open circuit.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true

⇒ An AM wave is given by s(t)_AM = 20 (1 + 0.5 cos 10³t + 0.3 cos 10⁴ t cos 10⁶ t) the modulation index of the envelope is
0.5
0.58
0.3
0.8

⇒ Fourier transform and F(jω) of a signal f(t) has the property
F(jω) = F(-jω)
F(jω) = -F(-jω)
F(jω) = F^*(jω)
F(jω) = -F^*(-jω)

⇒ Bit is a unit of
entropy
information
channel capacity
rate of information

⇒ An antenna is synonymous to a
generator
transformer
regulator
reflector

⇒ The frequency of oscillation in a backward wave oscillator can be changed by
varying the voltage which controls beam velocity
varying the beam current
both by varying the beam current and by light varying the voltage which controls beam velocity
changing the rate of thermionic emission

⇒ In directional coupler of the given figure, the terms |S₁₄| and |S₂₃| of scattering matrix are ne
1 each
0.5 each
0.1 each
1 and 0.5 respectively

⇒ Bus bars are always meant for very heavy currents.
TRUE
FALSE

⇒ Which of the following is not necessarily the advantage of SSB over double sideband, full carrier AM?
The signal is more noise resistant
More channel space is available
Transmitter circuits must be more stable, given better reception
Considerably less power is required for the same signal strength

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math