Question is ⇒ Which of the following statements is not correct regarding modes of electromagnetic energy transmission?, Options are ⇒ (A) In TE mode the direction of electric field is always and everywhere transverse to the direction of propagation, (B) In TM mode the magnetic field pattern is always and everywhere transverse to the direction of propagation, (C) The subscripts is TE and TM designations denote the number of half sine wave variations of the field components in x and y directions respectively., (D) TM<sub>11</sub> is called the dominant mode., (E) , Leave your comments or Download question paper.

Question is ⇒ Which of the following statements is not correct regarding modes of electromagnetic energy transmission?, Options are ⇒ (A) In TE mode the direction of electric field is always and everywhere transverse to the direction of propagation, (B) In TM mode the magnetic field pattern is always and everywhere transverse to the direction of propagation, (C) The subscripts is TE and TM designations denote the number of half sine wave variations of the field components in x and y directions respectively., (D) TM<sub>11</sub> is called the dominant mode., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which of the following statements is not correct regarding modes of electromagnetic energy transmission?
A.	In TE mode the direction of electric field is always and everywhere transverse to the direction of propagation [Wrong Answer]
B.	In TM mode the magnetic field pattern is always and everywhere transverse to the direction of propagation [Wrong Answer]
C.	The subscripts is TE and TM designations denote the number of half sine wave variations of the field components in x and y directions respectively. [Wrong Answer]
D.	TM₁₁ is called the dominant mode. [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D 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 operator precedence in Java is in the order
arithmetic operation, increment and decrement operation, comprassion, logical operation and assignment operation.
increment and decrement operation, arithmetic operation, comparison, logical operation and assignment operation.
comparison, arithmetic operation, increment and decrement operation, logical operation and assignment operation.
arithmetic operation, comparison operation, increment and decrement operation, logical operation and assignment operation.

⇒ Which of the following real variable names is not valid in Fortran?
BETA
ALPHA
A
AB * 2

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

⇒ The log magnitude curve of factor jω is a straight line having a slope of 20 dB/decade.
TRUE
FALSE

⇒

Match the following:

	List I		List II
A.	IF noise	1.	Ganged tuning
B.	Image frequency	2.	Spurious response
C.	Station selector	3.	Leaky filter capacitor
D.	Excessive Hum	4.	Mixer stage

A-3, B-2, C-1, D-4
A-2, B-3, C-1, D-4
A-1, B-2, C-3, D-4
A-4, B-2, C-1, D-3

⇒ For ideal performance, a filter should be terminated in characteristic impedance.
TRUE
FALSE

⇒ If the open-loop transfer function is a ratio of a numerator polynomial of degree 'm' and a denominator polynomial of degree 'n', then the integer (n - m) represents the number of:
breakaway points
unstable poles
separate root loci
asymptotes

⇒ The fuse material used in electrical lines must have which one of the following properties?
High resistivity
Low conductivity
High melting point
Low melting point

⇒ Which of the following is true?
The poisson distribution is limiting case of binomial distribution.
In symmetrical distribution, the mean, median and mode coincide.
Regression is the estimation or production of unknown values of one variables from known values of another variable.
All are true.

⇒ A dielectric material must be
insulator
good conductor
resistor
semiconductor

⇒ The skip distance is
same for each layer
independent of frequency
independent of the state of ionisation
independent of transmitted power

⇒ The mass of an electron is nearly
9.1 x 10^-27 kg
9.1 x 10^-29 kg
9.1 x 10^-31 kg
9.1 x 10^-35 kg

⇒ In Bode plots the frequency at which two asymptotes meet is called corner frequency.
TRUE
FALSE

⇒ A thyristor circuit is feeding an R-L load. The turn on time can be reduced by
decreasing R
decreasing L
increasing L
decreasing R and L together

⇒ Consider the differential amplifier shown in figure. (Assume β is very hi
2 mA
1 mA
0.5 mA
3 mA

⇒ In the circuit of figure the current through 5 Ω resistance at t = &infin
0
0.416666666666667
6.67 A
5.1 A

⇒ Consider the real expression in Pascal language XZ and MP + K
XZ + Y and MP + K
(MP + K + X) / Y
Y / (MP + K)

⇒ A function f(t) = k e^at is __________ for (a > 0).
stable
unstable
marginal
none

⇒ A lead compensator is basically a
high pass filter
low pass filter
band stop filter
none of the above

⇒

Assertion (A): A high junction temperature may destroy a diode.

Reason (R): As temperature increases the reverse saturation current increases.

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

⇒ Stability factor for S is given by for a fixed bias
1 + β
1 - β
1/β
β - 1

⇒ Maximum effective aperture of an antenna which is operating at a wavelength of 3 meters and has a directivity of 100
71.68 m²
716 m²
7.16 m²
71.6 m²

⇒ Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is
normal to both current and magnetic field
in the direction of current
antiparallel to magnetic field
in arbitrary direction

⇒

Assertion (A): Diamond and carborudum are both very hard materials.

Reason (R): Valence band can be extremely strong.

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 but R is false
A is false but R is true

⇒ If the plate supply voltage for a plate modulated class C amplifier is E volts, the maximum plate-cathode voltage could be almost as high as
E
E/2
2E
4E

⇒ An R-C coupled amplifier has mid-frequency gain of 200 and a frequency response from 100 Hz to 20 kHz. A negative feedback network with β = 0.2 is incorporated into the amplifier circuit, the Bandwidth will be
50 kHz
20 kHz
100 kHz
infinite

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

⇒ X-rays cannot penetrate through a thick sheet of
wood
paper
lead
aluminium

⇒ The number of valence electrons in silicon atom is
4
2
1
zero

⇒ Program counter in a digital computer
counts the number of program run in the machine
counts the number of times a subroutine is called
counts the number of times the loops are executed
points the memory address of the current or the next instruction to be executed