Question is ⇒ A voltage V(t) is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt2. If it is measured by a dc meter. The reading will be, Options are ⇒ (A) 0, (B) 4, (C) 2, (D) 2, (E) , Leave your comments or Download question paper.

Question is ⇒ A voltage V(t) is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt2. If it is measured by a dc meter. The reading will be, Options are ⇒ (A) 0, (B) 4, (C) 2, (D) 2, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A voltage V(t) is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt². If it is measured by a dc meter. The reading will be
A.	0 [Correct Answer]
B.	4 [Wrong Answer]
C.	2 [Wrong Answer]
D.	2 [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : A 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 :

⇒ In a D-type latch EN = 1, D = 1, the O/P is
1
0
don't care
blocked

⇒ In a homogeneous magnetic field H of a solenoid, the core carries a magnetic dipole moment M per unit volume equal to
μ₀ H
μ_r H
(μ_r - 1) H
μ_oμ_r H

⇒ A register is
a group is memories
a group of devices that store digital data
a chip used in computers
a pure silica piece used in digital systems

⇒ Which one of the following gain equations is correct for a MOSFET common-source amplif
A_V = g_m/(1 - R_D)
A_V = g_m/R_D
A_V = g_m/(1 + R_D)
A_V = R_D/g_m

⇒ Consider the following stateme
1, 4 are correct
1 and 2 correct
1, 2, 3 are correct
2, 3, 4 are correct

⇒ In order to receive a vertical polarized wave, the conductor of the dipole should be mounted
horizontally
vertically
at an angle of 45°
at an angle of 90°

⇒ Two numbers are 131 ± 5 and 629 ± 3. The sum of the numbers with range of doubt is
760 ± 8
760 ± 2
760 + 8
760 - 8

⇒ A memory system of size 16 K bytes is required to be designed using memory chips having 12 address lines and 4 data lines-each. The number of such chips required to design and the memory system is :
2
4
8
16

⇒ Antenna is a __________ element
passive
active
resistive
capacitive

⇒ A Darlington circuit is obtained by connecting
two CB stages in cascade
two CE stages in cascade
a CE stages followed by CB stage
two emitter follower in cascade

⇒ The effective length of an 1/2 antenna (Given R_r = 73 Ω and (A_e)_max = 0.34λ² and η = 120p) is __________ .
0.6348 λ
0.5133 λ
0.1587 λ
0.3714 λ

⇒ Both ROM and RAM can be accessed randomly.
TRUE
FALSE

⇒

Assertion (A): A small section of high impedance line is equivalent to a series inductance.

Reason (R): A small section of a low impedance line is equivalent to a series resistance.

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 correct but R is wrong
A is wrong but R is correct

⇒ A signal with ± 10 V ranged and 1 KHz band width is being digitized using a sample and hold circuit and a 10 bit quantizer. The quantization step is :
1 x 10^-9 V
5 x 10^-9 V
2.5 x 10^-9 V
0.5 x 10^-9 V

⇒ The velocity factor of a transmission line depends on
temperature
skin effect
relative permittivity of dielectric
none of the above

⇒ Flash ADC is
serial ADC
parallel ADC
series-parallel ADC
successive approximation ADC

⇒ A 4 bit ripple counter uses flip flops with propagation delay of 50 ns each. The maximum clock frequency which can be used is
5 MHz
10 MHz
20 MHz
25 MHz

⇒ In the state equation x = AX + Bu is a n x m matrix.
TRUE
FALSE

⇒ The concentration of minority carriers in an extrinsic semiconductor under equilibrium is
directly proportional to the doping concentration
inversely proportional to doping concentration
directly proportional to intrinsic concentration
inversely proportional to the intrinsic concentration

⇒ The JFET in the circuit shown in figure has an I_DSS = 10 mA and V_p = -5 V. The value of the resistance R_s for a drain current I_DS = 6.4 mA is (select the nearest va
150 Ω
150 Ω
560 Ω
1 kΩ

⇒ If A = 0101, then A' is
1010
1011
1001
110

⇒ A continuous time LTI system is describe
(e^t - e^3t) u(t)
(e^-t - 3e^-3t) u(t)
(e^-t + e^-3t) u(t)
(e^t + e^3t) u(t)

⇒ In a dual converter operated in circulating current mode, the circulating current flows
when load current is zero
when load current is non-zero
even when load current is zero
none of the above

⇒ A transmitter serial current contains
carrier frequencies
audio frequencies
radio frequencies
none of the above

⇒ In op-amp integrating amplifier the input is feed to
inverting input
non-inverting input
both inverting and non-inverting input
either inverting or non-inverting input

⇒ If X = 1 in the logic equation [X + Z { Y + (Z + X Y)}] { X + Z (X + Y)} = 1, then
Y = Z
Y = Z
Z = 1
Z = 0

⇒ Which liquid crystal is used for LCD display?
Mercury
Pneumatic fluid
Aqua regia
Liquid boron

⇒

Match the following:

	List I		List II
A.	Silicon	1.	Donor Impurity
B.	Antimony	2.	Acceptor Impurity
C.	Gallium	3.	Most Commonly used semiconductor material
D.	Germanium	4.	Atomic number 32

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

⇒ A transistor with a = 0.9 and I_CBO = 10 μA is biased so that I_BQ = 90 μA. Then I_EQ will be
5.15 mA
5.2 mA
5 mA
990 mA

⇒ From a measurement of the rise time of the output pulse of an amplifier whose input is a small amplitude square wave, one can estimate the following parameter of the amplifier
gain bandwidth product
slew rate
upper 3 dB frequency
lower 3 dB frequency