Question is ⇒ The main disadvantage of the two-hole directional coupler is, Options are ⇒ (A) poor directivity, (B) narrow bandwidth, (C) high standing wave ratio, (D) low directional coupling, (E) , Leave your comments or Download question paper.

Question is ⇒ The main disadvantage of the two-hole directional coupler is, Options are ⇒ (A) poor directivity, (B) narrow bandwidth, (C) high standing wave ratio, (D) low directional coupling, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The main disadvantage of the two-hole directional coupler is
A.	poor directivity [Wrong Answer]
B.	narrow bandwidth [Correct Answer]
C.	high standing wave ratio [Wrong Answer]
D.	low directional coupling [Wrong Answer]
View Answer 2 -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 :

⇒ Foster Seeley discriminator uses a
double tuned circuit in which primary and secondary are tuned to different frequencies
double tuned circuit in which primary and secondary are tuned to same frequencies
single tuned circuit
three triodes in series

⇒ In a transistor I_E = 10 mA, I_CO = 0.5 μA and a = 0.995. Then I_CEO =
100 μA
25 μA
10.1 mA
10.5 mA

⇒ In most of instruments, the controlling torque is provided by
fluid fraction
spring
eddy current
either (a) or (c)

⇒ For the given figure C(s)/R(s<
K
0.5 K
2 K
0.25 K

⇒ Which camera tube has highest sensitivity and very wide spectral response?
Vidicon
Plumbicon
New vicon
Saticon

⇒ The pre-emphasis in FM aids in providing extra noise immunity by
emphasizing only the higher frequency components
emphasizing the entire frequency band
emphasizing only the lower frequency band
cutting down the low frequency noise

⇒ For F₁ layer the maximum ionic density is 2.3 x 10⁴ electrons per cc. The critical frequency for this layer will be
1.36 MHz
13.6 MHz
136 MHz
1360 MHz

⇒ At a temperature of about 1 K, aluminium is a
conductor
insulator
photoconductor
superconductor

⇒ In the television system in India, the aspect ratio is
0.16875
0.127777777777778
0.211111111111111
0.170138888888889

⇒ Consider the following expressions which indicate the step or impulse response of an initially relaxed system
[5 - 4 e^-2t] u(t)
[e^-2t + 5] u(t)
d(t) + 8 e^-2t u(t)
d(t) + 4 e^-2t u(t)
Those which correspond to the step and impulse response of the same system include
1 and 3
1 and 4
2 and 4
2 and 3

⇒ The component in the given figur
attenuator
T type low pass filter
T type high pass filter
phase shifter

⇒ 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 a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is
Armstrong oscillator
Colpitts oscillator
Clapp oscillator
Ultra Audio oscillator

⇒ The function to Calculate the maximum value in the specified field of a database is
DM
DMAX
MAX
DBMAX

⇒ Consider the following assert
Only S2 is true
SI and S2 are both true but S2 is not a reason for SI
SI and S2 are both true and S2 is a reason for SI
Both SI and S2 are false

⇒ Brownian motion is
random emission of electrons in vacuum tubes
thermal motion of electrons in a resistance
random diffusion of holes and electrons in semi- conductors
both (b) and (c)

⇒ In practical commercial FM system, channel bandwidth is
150 kHz
100 kHz
88 MHz
108 MHz

⇒ In solid dielectrics the rate of deterioration doubles for every 10-12°C rise in temperature.
TRUE
FALSE

⇒ If f(t) = 1, F(jω) = 2p δ(ω).
TRUE
FALSE

⇒ An 8156 has A₁₅ connected to its CE input. A₁₄ to A₈ are unconnected, and AD₇ to AC₀ are connected.Ignoring shadows, the port addresses
80 H
85 H
82 H, 83 H
80 H to 85 H

⇒ If a two port network is represented by an equivalent T network, the impedance of shunt arm in terms of ABCD parameters is equal to
1/C
(A - 1)/C
1/B
(D - 1)/C

⇒ In brushless excitation system of modern alternators, the main exciter is
dc generator
ac generator
either dc or ac generator
induction generator

⇒ A disadvantage of microstrip line as the connections of compared to strip line is that former
do not lend themselves to printed circuit
are more likely to radiate
are bulky
are more expensive and complex

⇒ The number of bits in ASCII is
12
10
9
7

⇒ The peak factor is
rms value/peak value
rms value/average value
peak value/rms value
peak to peak value/rms value

⇒ An antenna has 40 Ω resistance and 60 Ω radiation resistance. The efficiency of the antenna is
0.3
0.4
0.5
0.6

⇒ An electrical network with 8 independent nodes will have __________ nodal equations.
4
6
7
8

⇒ The network shown in figur
reciprocal
reciprocal and symmetrical
non-reciprocal
unsymmetrical

⇒ The number of logic or arithmetic operations with ALU 1C 74181 can carry out is
4
8
16
32

⇒ In Intel 8085, the integer range per word length is
-128 to 127
-127 and 128
-64 and 63
-63 and 64

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math