Question is ⇒ The total field developed by an antenna array at a distant point is, Options are ⇒ (A) phasor sum of fields produced by individual antennas of the array, (B) algebraic sum of fields produced by individual antennas of the array, (C) either (a) or (b) depending on type of array, (D) neither (a) nor (b), (E) , Leave your comments or Download question paper.

Question is ⇒ The total field developed by an antenna array at a distant point is, Options are ⇒ (A) phasor sum of fields produced by individual antennas of the array, (B) algebraic sum of fields produced by individual antennas of the array, (C) either (a) or (b) depending on type of array, (D) neither (a) nor (b), (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The total field developed by an antenna array at a distant point is
A.	phasor sum of fields produced by individual antennas of the array [Correct Answer]
B.	algebraic sum of fields produced by individual antennas of the array [Wrong Answer]
C.	either (a) or (b) depending on type of array [Wrong Answer]
D.	neither (a) nor (b) [Wrong Answer]
View Answer 1 -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 :

⇒ The minimum gate current which can turn on SCR is called :
trigger current
holding current
junction current
breakover current

⇒ The most commonly used devices for differencing and amplification, in control systems, are
BJT amplifiers
FET amplifiers
operational amplifiers
either (a) or (b)

⇒ A JK flip flop has t_pd= 12 ns. The largest modulus of a ripple counter using these flip flops and operating at 10 MHz is
16
64
128
256

⇒ In figure, D₂ turns on
v_i is more positive than V₁
v_i is less positive than V₁
v_i is more negative than V₂
v_i is less negative than V₂

⇒ The input and output of a continuous time system are respectively denoted by x(t) and y(t) Which of the following descriptions corresponds to a causal system?
y(t) = x(t - 2) + x(t + 4)
y(t) = x(t - 4) + x(t + 1)
y(t) = x(t + 4) + x(t - 1)
y(t) = x(t + 5) + x(t + 5)

⇒ An ideal Op-amp is an ideal
voltage controlled current source
voltage controlled voltage source
current controlled current source
current controlled voltage source

⇒ The circuit given below
Band stop filter
Band pass filter
Oscillator circuit
All pass filter

⇒ A single phase half bridge inverter required to feed R-L loads needs
2 thyristors
4 thyristors
2 thyristors and two diodes
4 thyristors and 4 diodes

⇒ In the circuit of figure the voltage across capacitor when switch is closed at t = &infin
0 V
20 V
very large
7.5 V

⇒ A two port network is reciprocal if and only if
Z₁₁ = Z₂₂
BC - AD = - 1
Y₁₂ = Y₂₁
h₁₂ = h₂₁

⇒ 10's complement of 16₁₀ is
83₁₀
84₁₀
38₁₀
48₁₀

⇒ In n channel JFET, the gate voltage is made more negative
the channel width will increase
the channel width will decrease
the channel width and drain current will decrease
the channel width will decrease and drain current will increase

⇒ Which of the following real expressions is incorrect in Pascal?
Y - X
(A + B) (C + D)
X / Y - Z
P * Z - 5.0

⇒ An amplifier of passband 450 kHz to 460 kHz will be named as
video amplifier
audio frequency amplifier
tuned voltage amplifier
wideband amplifier

⇒ Radar reciever has high sensitivity and low noise figure
TRUE
FALSE

⇒ For a series R-L-C circuit tuned at resonant frequency which of the following statements is correct?
The voltage across inductance is greater than applied voltage
The voltage across capacitance is greater than applied voltage
The voltage across both inductance and capacitance is greater than applied voltage
The voltage across both inductance and capacitance is less than applied voltage

⇒ The data of speed of train V and resistance to motion
6.7 + 0.0092 V²
3 + 0.001 V²
3.2 + 0.0012 V²
5.2 + 0.006 V²

⇒ 71₈ = __________ .
111000₂
111001₂
100001₂
110001₂

⇒ Consider the following statements

If ensemble and time averages of a random process are identical, the process is ergodic.
If ensemble and time average of a random process are not identical, the process is ergodic.
An ergodic process is stationary.
A stationary process is necessarily ergodic.

Which of the above statements are correct?
1 only
1 and 3 only
1, 3 and 4 only
1 and 4 only

⇒ Assuming accumulator contain A 64 and the carry is set (1).What will register A and (CY) contain after RAR?
4 DH, 0
D 3H, 0
4 DH, 1
53 H, 0

⇒ Which of the following devices exhibit negative resistance characteristics?
UJT
PUT
Both UJT and PUT
UJT, PUT and SBS

⇒ The effective value of the waveform in the given figur
5
2.5
2.5
5.0

⇒ The common emitter short circuit current gain β of a transistor
is a monotonically increasing function of the collector current I_c
is a monotonically decreasing function of I_c
increasing with I_c, for low I_c, reaches a maximum and then decreases with further increase in I_c
is not a function of I_c

⇒ Tellegen's theorem is applicable to
circuits with passive elements only
circuits with linear elements only
circuits with time invariant elements only
circuits with active or passive, linear or nonlinear and time invariant or time varying elements

⇒ In using Nyquist stability criterion it is not necessary to determine closed loop poles.
TRUE
FALSE

⇒ If V_a = 10 ∠0, V_b = 10 ∠ -120° and V_c = 10 ∠ -240°, then V_a2 and V_a0 are
10 and 0 respectively
0 and 10 respectively
0 and 0
10 and 10

⇒ A longwave AM broadcast transmitter needs
very small carrier power
very large carrier power
small carrier power
large carrier power

⇒ In which of the following logical group instructions of 8085 do the contents of accumulator remain unchanged?
ORA r
ORA M
ORI data
CMP r

⇒ A microprocessor with a 16-bit address bus is used in a linear memory selection configuration (i.e., Address bus lines are directly used as chip selects of memory chips) with 4 memory chips. The maximum addressable memory space is
64 K
16 K
8 K
4 K

⇒ The communicating capacitor reduces turn on time because
it acts as an open circuit
it allows maximum base circuit to flow
it aids in removing the excess carrier from the base region
none of these