Question is ⇒ As compared to 17.34° antenna, the total increase in the signal relayed by 4.5° antenna of INTELSAT-IV is, Options are ⇒ (A) 14.85, (B) 220, (C) 78, (D) 3.85, (E) , Leave your comments or Download question paper.

Question is ⇒ As compared to 17.34° antenna, the total increase in the signal relayed by 4.5° antenna of INTELSAT-IV is, Options are ⇒ (A) 14.85, (B) 220, (C) 78, (D) 3.85, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	As compared to 17.34° antenna, the total increase in the signal relayed by 4.5° antenna of INTELSAT-IV is
A.	14.85 [Wrong Answer]
B.	220 [Correct Answer]
C.	78 [Wrong Answer]
D.	3.85 [Wrong Answer]
View Answer 3 -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 :

⇒ What is the purpose of peak clipper circuits in radio transmitters?
To prevent overmodulation
To reduce bandwidth
To increase bandwidth
To regulate oscillator I/P voltage

⇒ Which of the following pairs of semiconductors and current carriers is correctly matched?
Intrinsic : number of electrons = number of holes
P type : number of electrons > number of holes
N type : number of electrons < number of holes
Bulk : neither electrons nor holes

⇒ The term __________ applies to troposcatter propagation
fading
Faraday rotation
SIDS
atmospheric storms

⇒ A single phase step up cycloconverter changes 50 Hz to 100 Hz. Then one half wave of input will give rise to
one half wave of output
one full wave of output
two full waves of output
either (b) or (c)

⇒ A uniform plane magnetic wave incident normally on a plane surface of a dielectric material is reflected and the percentage of reflected power is 75% What is VSWR?
14
1.4
15
13

⇒ The current through a 10 Ω resistance in a dc circuit having two emf sources is 3A. If this resistance is changed to 20 Ω, the new value of current will be
less than 3 A
equal or less than 3 A
equal to or less or more than 3 A
1.5 A

⇒ For oscillations to starts, the loop gain A β of the oscillator must be initially
less than unity
0.5
1
more than unity

⇒ For most metals, Fermi level E_F is less than
0.1 eV
2 eV
5 eV
10 eV

⇒ The chip 8254 is a 40 pin programmable interval timer. The number of its independent 16 bit counters is
2
3
4
5

⇒ Almost all resistors are made in a monolithic integrated circuit
during the entire diffusion
while growing the epitaxial layer
during the base diffusion
during the collector diffusion

⇒ A constant k band stop filter has cutoff frequencies of 1000 and 4000 Hz. The attenuation will be maximum when frequency is
4000 Hz
3000 Hz
2000 Hz
1000 Hz

⇒ A conditionally stable system is stable for the value of gain between two critical values. It is unstable if
the gain is increased beyond upper critical value
the gain is decreased below lower critical value
both (a) and (b)
none of the above

⇒ Computers use thousands of flip-flops. To coordinate the overall action, a common signal is sent to all flip-flop known as
debug signal
toggle signal
active signal
clock signal

⇒ A generator of 50 Ω internal impedance and operating at 1 GHz feeds a 75 Ω load via a coaxial line of characteristic impedance 50 Ω. The VSWR on the feed line is
0.5
1.5
2.5
1.75

⇒ The relation between bandwidth B, modulating frequency f_m and frequency deviation Δf for a sinusoidally modulated FM signal is
B = Δf + f_m
B = 2(Δf + f_m)
B = f_m - Δf/
B = 2(f_m - Δf)

⇒ A decade counter
counts for ten days
counts ten times faster than a binary counters
counts to 9 and reset on the next pulse
reverts on the pulse after the tenth

⇒ With JFETs cascade means
a common source driving a common gate connection
a common gate driving a common source connection
two FETs connected in parallel
none of the above

⇒ Transmitted voltage level is:
11
7.8
7.348 V
none of these

⇒ The number of days when Earth's shadow falls on a geosynchronous satellite is
88
277
5
10

⇒ The memory segment registers in 8086 are denoted by
AS, BS, CS, DS
BS, CS, SS, ES
CS, DS, SS, ES
DS, ES, FS, SS

⇒ An electromagnetic wave can be completely guided by a dielectric rod or slab.
TRUE
FALSE

⇒

Assertion (A): Gunn diode is a transferred electron device.

Reason (R): A Gunn oscillator uses the phenomenon of transferred electron effect.

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 linear time-invariant, causal continuous time system has a rational transfer function with simple poles at s = - 2 and s = - 4, and one simple zero at s = - 1. A unit step u(t) is applied at the input of the system. At steady state, the output has constant value of 1. The impulse response of this system is
[exp (- 2t) + exp (-4t)] u(t)
[-4 exp (- 2t) + 12 exp (-4t) - exp (-t)] u(t)
[-4 exp (- 2t) + 12 exp (-4t)] u(t)
[-0.5 exp (- 2t) + 1.5 exp (-4t)] u(t)

⇒ In a CE transistor amplifier, when collector-emitter voltage increases
the instantaneous operating point moves up the load line
the instantaneous operating point moves down the line
load current increases
none of the above

⇒ In which of the following 8085 instructions are all condition flags except CY affected?
INR r
SEE M
ACI data
ADC r

⇒ If the midband gain of an amplifier is 40 dB, the gain at half power frequency is
37 dB
30 dB
20 dB
13 dB

⇒ In 8086
the registers SI and DI are used for string operation
the registers CS and DS are used for string operation
the registers SS and ES are used for string operation
the registers SI and SP are used for string operation

⇒ FM is named so because
it restrains the frequency excursions of FM
it increases the frequency excursions of FM
it decreases the amplitude of FM signal
it increases the amplitude of FM signal

⇒ Generally, the gain of a transistor amplifier falls at high frequency due to the
internal capacitance of the device
coupling capacitor at the I/P
skin effect
coupling capacitor at the O/P

⇒ Consider the z-transform X(z) = 5z² + 4z^-1 + 3; 0 < |z| < ∞ The inverse transform x[n] is
5δ[n + 2] + 3δ[n] + 4δ[n - 1]
5δ[n - 2] + 3δ[n] + 4δ[n + 1]
5u[n + 2] + 3u[n] + 4u[n - 1]
5u[n - 2] + 3u[n] + 4u[n + 1]