Question is ⇒ The affect of ground on radiation pattern is to, Options are ⇒ (A) cause cancellation of radiation along the ground, (B) produce more number of nulls, (C) both (a) and (b), (D) either (a) or (b), (E) , Leave your comments or Download question paper.

Question is ⇒ The affect of ground on radiation pattern is to, Options are ⇒ (A) cause cancellation of radiation along the ground, (B) produce more number of nulls, (C) both (a) and (b), (D) either (a) or (b), (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The affect of ground on radiation pattern is to
A.	cause cancellation of radiation along the ground [Wrong Answer]
B.	produce more number of nulls [Wrong Answer]
C.	both (a) and (b) [Correct Answer]
D.	either (a) or (b) [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C 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 :

⇒ An astable multivibrator circuit using IC 555 timer is shown below. Assume that the circuit is oscillating stea
3 V to 5 V
3 V to 6 V
3.6 V to 6 V
3.6 V to 5 V

⇒ Octal number 12 is equal to decimal number
8
9
10
11

⇒ The maximum signal propagation time of a geosynchronous satellite transmission is about __________ millisecond.
540
270
135
1080

⇒ A modem is connected to PC at
serial port
parallel port
SCSI port
input port

⇒ In end fire array the principle direction of radiation
is perpendicular to the array axis
is perpendicular to the array axis and also to the plane containing the array elements
coincides with the direction of the array
is at 45° to the direction of array axis

⇒ TRAP is __________ whereas RST 7.5, RST 6.5, RST 5.5 are __________ .
maskable, non-maskable
maskable, maskable
non-maskable, non-maskable
non-maskable, maskable

⇒ If f(t) = r (t - a), F(s) =
e^-as/s²
a/(s + a)
1/(s + a)
e^-as/s

⇒

Assertion (A): Many instruments use eddy current damping.

Reason (R): Eddy currents set up a magnetic flux which opposes the original movement which generates them.

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 R is false
A is false R is true

⇒ In which material do conduction and valence bands overlap
insulators
conductors
both conductor and semiconductor
semiconductors

⇒ An RLC series circuit is excited by an ac voltage v = 1 sint. If L = 10 H, C = 0.1 F peak value of voltage across R is
0.707 V
1 V
1.44 V
indeterminate as value of R is not given

⇒

Assertion (A): The main use of Miller integrator is to generate ramp

Reason (R): An inverting amplifier can handle more than one input at the same time.

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

⇒ Consider the following mnemonics

MOV
ADD
LXI

Which of the above are valid for 8085?
1 and 2 only
1 only
1, 2 and 3
1 and 3 only

⇒ In the network of figure it is desired that maximum power be supplied to Z₂. The values of Z₁ and Z₂ are fixed. However the transformation ratio 'a' of transformer can be changed. The value of 'a' for maximum power transfe
|Z₂|/|Z₁|
[|Z₂|/|Z₁|]^0.5
[|Z₂|/|Z₁|]²
[|Z₂|/|Z₁|]^0.75

⇒ A second order active bandpass filter can be obtained by cascading LP second order filter having higher cut off frequency f_OH with a second order HP filter having lower cut off frequency f_OL provided
f_OL < f_OH
f_OL > f_OH
f_OH = f_OL
f_OH < 0.5 f_OL

⇒ Complex poles give rise to oscillatory terms in the response.
TRUE
FALSE

⇒ Which of the following instruments is used almost exclusively to measure radio frequency currents?
Moving coil
Rectifier
Moving iron
Thermocouple

⇒ DC ampere hour meter is an indicating instrument.
TRUE
FALSE

⇒ A JK flip flop can be converted to D flip flop by
Connecting both J and K terminals to D
Connecting J terminal to D and leaving K open
Connecting K terminal to D and leaving J open
Connecting J terminal to D and K terminal to D through an inverter

⇒ The circuit shown in figure
low pass filter
high pass filter
band pass filter
band stop filter

⇒ The maximum usable frequency for the 'E' layer is 10 MHz.
TRUE
FALSE

⇒ The purpose of incorporating a pre-selector stage in a receiver is to
provide higher selectivity
provide higher fidelity
improve linearity
larger passband

⇒ In a purely capacitive circuit, the current __________ the voltage by __________ .
lags, 0°
leads, 90°
lags, 90°
lags, 45°

⇒ Consider the following statements as regards SAW filter

The centre frequency is determined by the pitch of IDT comb shaped electrodes
The response can be modified shaping the overlap of comb electrodes
The response is maximum when acoustic wave has its wavelength equal to pitch
When a number of identical electrodes are arranged at the same pitch, the frequency characteristics of the filter is expressed by (sin x)/x

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

⇒ Audio tapes have two tracks each 2.5 mm wide.
TRUE
FALSE

⇒ A linear system is characterized by H(ω) = Be^-2ω² the system is physically
unrealizable
realizable
depends upon B
depends upon constant 2

⇒ Minimum number of 2-input NAND gates required to implement the function F = (x + y) (Z + W) is
3
4
5
6

⇒ A compiler is a software programme which
change high level Programming language into low level machine language
change the program into binary form
assembles the program
executes the program

⇒ The waveguides compared to equivalent transmission lines at low frequency are
able to carry more power
less noisy
having lower attenuation
all of the above

⇒ A . 0 =
1
A
0
A or 1

⇒ Magnetic susceptibility of a medium is the ratio of
magnetic field strength to mmf
intensity of magnetization to magnetic flux density
intensity of magnetization to field strength
mmf to magnetic field strength