Question is ⇒ A waveguide operated below cut off frequency can be used as, Options are ⇒ (A) phase shifter, (B) an attenuator, (C) an isolator, (D) none, (E) , Leave your comments or Download question paper.

Question is ⇒ A waveguide operated below cut off frequency can be used as, Options are ⇒ (A) phase shifter, (B) an attenuator, (C) an isolator, (D) none, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A waveguide operated below cut off frequency can be used as
A.	phase shifter [Wrong Answer]
B.	an attenuator [Correct Answer]
C.	an isolator [Wrong Answer]
D.	none [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B 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 :

⇒ A capacitor does not allow sudden changes
in currents
in voltage
in both current and voltage
neither of two

⇒ Which of the following are included in the architecture of a computer?

Addressing modes, CPU
Instruction set, data formats
Secondary memory, operating system

Select the correct answer from the codes given below:
1 and 2
1 and 3
2 and 3
3 only

⇒ If V_A = - 10 V and V_B = - 15 V, VAB = 5 V.
TRUE
FALSE

⇒ A Darlington pair is used for
low distortion
high frequency range
high power gain
high current gain

⇒ The reflection coefficient on a 500 m long transmission line has a phase angle of - 150°. If the operating wavelength is 150 m, what will be the number of voltage maxima on the line?
0
3
6
7

⇒ Find the electric charge required on the earth and moon to balance their gravitational attraction if the charge on the earth is 10 times that on the moon.
1.73 TC
17.3 GC
17.3 TC
1.73 GC

⇒ The number of protons in germanium atom is
4
16
28
32

⇒ The access time of ROM using bipolar transistors is about
1 sec
1 mili sec
1 μ sec
1 n sec

⇒ In a digital system, the maximum clock frequency that can be used with Master/Slave Clocked flip-flops having total propagation delay of 200 μsec is
20 MHz
50 MHz
100 MHz
200 MHz

⇒ At night the ionosphere can be considered to be consisting of
D, E, F₁ and F₂ layers
D, E, F₁ layers
D, E, F₂ layers
E and F₂ layers

⇒ Consider the following applications/ advantages of radar beacons

navigation
target identification
accurate tracking of enemy targets
large increase in maximum range

Which of the above are correct?
1, 2, 3, 4
1, 2, 4
1, 2
2, 3, 4

⇒ The function Y = AC + BD + EF is
POS
SOP
Hybrid
none of the above

⇒ Which of the following are synonymous?
MOSFET and IGEFT
FET and JFET
JFET and MOSFET
P-N-P and N-P-N

⇒ The counter which require maximum number of FF for a given mod counter is
Ripple counter
BCD counter
Ring counter
Programmed counter

⇒ A low-pass filter frequency responce H (jω) = A (ω) e^jΦ(ω) does not produce any phase distortion, if
A(ω) = Cω², Φ (ω) = kω³
A(ω) = Cω², Φ (ω) = kω
A(ω) = Cω², Φ (ω) = kω²
A(ω) = C, Φ (ω) = kω^-1

⇒ In a 4 bit ripple counter using flip flops with t_pd = 40 ns, the maximum frequency can be
1.25 MHz
3.25 MHz
6.25 MHz
12.5 MHz

⇒

Assertion (A): For a dielectric, P = ∈₀(∈_r - 1) E.

Reason (R): Dipole moment per unit volume is called polarization of dielectric.

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

⇒ Which of the following is not a valid variable in FORTRAN 77?
BRG
VS
VS 3A
3 VSA

⇒ Assume that x = 5 and y = 2. Then in Java operation x + = y, the result is
x = 7
x = 2
x = 3
x = 2

⇒ Shift left and shift right operations occur in a calculator.
TRUE
FALSE

⇒ A TV picture is to be transmitted over a channel of 6 MHz bandwidth at a 35 dB S/N ratio. The capacity of the channel is
50 Mbps
100 Mbps
36 Mbps
72 Mbps

⇒ In terms of z parameters, the condition for the network to be passive is
z₁₁ = z₂₂
z₁₂ = z₂₁
z₁₁ = 0
z₂₂ = 0

⇒ If the transfer function has zeros only on jω axis or in left half plane, it is a minimum phase function.
TRUE
FALSE

⇒ The Gain margin for the system with open loop transfer functi
∞
0
1
-∞

⇒ A differential amplifier is invariably used in the I/P stage of all OP-amps. This is done basically to produce the OP-amp with a very high.
CMRR
bandwidth
slew rate
open-loop gain

⇒ The fact that domains exhibits spontaneous magnetisation is
first hypothesis is of Curie
second hypothesis is of Weiss
Curie-Weiss law
Boltzmann's statistics

⇒ One volt equals
one joule
one joule/coulomb
one coulomb/joule
none of the above

⇒ Pilot-carrier transmission is one in which
only one sideband is transmitted
one sideband and carrier are transmitted
only two sidebands are transmitted
two sidebands as well as a trace of carrier are transmitted

⇒ For an ideal transformer
only Y parameter exist
only Z parameter
Z, Y both exist
neither Z parameter nor Y parameter exist

⇒ For decimal numbe'r 13.5, the floating point representation in 4 byte excess 128 code is
01101100 00000000 00000000 10000100
00000000 01101100 00000000 10000100
00000000 01101100 10000100 00000000
01101100 00000000 10000100 00000000