Question is ⇒ In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?, Options are ⇒ (A) TE01, (B) TE11, (C) TE05, (D) TE21, (E) , Leave your comments or Download question paper.

Question is ⇒ In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?, Options are ⇒ (A) TE01, (B) TE11, (C) TE05, (D) TE21, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?
A.	TE₀₁ [Correct Answer]
B.	TE₁₁ [Wrong Answer]
C.	TE₀₅ [Wrong Answer]
D.	TE₂₁ [Wrong Answer]
View Answer 1 -2 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 :

⇒

Assertion (A): In CC amplifier the collector is at ac ground

Reason (R): CC amplifier is also called emitter follower

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ A material has conductivity of 10^-2 mho/m and a relative permittivity of 4. The frequency at which conduction current in the medium is equal to displacement current is
45 MHz
90 MHz
450 MHz
900 MHz

⇒ Which memory is available in all technologies?
PROM
EEPROM
ROM
EPROM

⇒ In which condition does BJT behave like a closed switch?
Cut off
Saturation
Forward active
Reverse active

⇒ FM receivers using the standard 88 to 108 MHz band use IF of
8 MHz
9.9 MHz
10.7 MHz
12.2 MHz

⇒ The size of cache memory in most microcomputers is about
a few bytes
a few kilobytes
a few megabytes
a few gigabytes

⇒ The receiver of a pulsed RADAR can detect signal power in the order of
1 W
0.1 W
10^-5 W
10^-12 W

⇒ A digital voltmeter can count from 0 to 9999. If full scale reading is 9.999 V, the resolution of full scale reading is
0.001
1000
2 digit
1 mV

⇒ Above ferroelectric curie temperature, spontaneous polarization in ferroelectric materials becomes stronger.
TRUE
FALSE

⇒ The distance between maxima and minima of a standing wave is
λ/4
λ/2
λ
2λ

⇒ The skin depth of copper is found to be 66 mm at 1 MHz at a certain temperature. At the same temperature and at 2 MHz, the skin depth would be approximately
47 μm
33 μm
92 μm
1.22 μm

⇒ The logic performed by the high-noise immunity logic circuit shown belo
OR
AND
NOR
NAND

⇒ The skip distance does not depends upon
the power transmitted
type of wave propagation
angle of beaming of the wave
frequency of the signal transmitted

⇒ In figure, the current supplied by battery at t = 0.5s1.1 A
1.9 A
0
1.632 A

⇒ A universal register
accepts serial input
accepts Parallel input
gives serial and Parallel output
all of the above

⇒ A waveguide connected to a circularly polarized antenna must be able to efficiently propagate both vertically and horizontally polarised waves.
TRUE
FALSE

⇒ An RC circuit initially at rest has a step signal. The response V(t) across C is V(t) = 1 - e^-at, If now there is an initial voltage on C of 2 volts for the same step signal, V(t) is now
1 + e ^-at
1 + 2e ^-at
2 - e ^-at
3 - e ^-at

⇒ Wheatstone bridge is suitable for low resistances.
TRUE
FALSE

⇒ The first contribution to logic was made by
George Boole
Copernicus
Aristotle
Shannon

⇒ In figure, the value of R shoul
5 kΩ
50 kΩ
20 kΩ
10 kΩ

⇒ A system with input x[n] and output y[n] is given as y[n] = (sin 5/6 pn) x(n) The system is
linear, stable and invertible
non-linear, stable and non-invertible
linear stable, non invertible
linear, unstable, invertible

⇒ An ac circuit has two branches in parallel. The impedances of the two branches are equal. The p.f. of one branch is 0.8 lagging and 0.8 leading. The overall p.f. is
zero
0.5 lagging
1
0.7 lagging

⇒ Energy content of atmospheric noise
does not depend on frequency
decreases as frequency is increased
increases as frequency is increased
either (a) or (c) depending on the temperature

⇒ The reverse saturation current depends on the reverse bias.
TRUE
FALSE

⇒ If the op-amp in figure has a unity gain frequency of 1 MHz, the cut off frequenc
100 kHz
1 MHz
10 MHz
90 MHz

⇒ Which of the following statement number is not valid in Basic
12
521
662512
99999

⇒ In ALU 1C 74181 the addition and subtraction is in
2's complement
1's complement
binary
none of the above

⇒ A single phase electric heater uses phase controlled thyristors. The firing angle is 90°. The degree of heating is
25% of maximum
50% of maximum
75% of maximum
none of the above

⇒
Assertion (A): JFET is a voltage controlled device.
Reason (R): The drain current can be controlled by controlling V_GS.

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

⇒ The purpose of series quadrature windings in amplidyne is to
neutralize the effect of armature reaction
reduce commutation difficulties
increase the gain
increase response time

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math