Question is ⇒ Polarization of a wave is, Options are ⇒ (A) direction of electric field, (B) direction of magnetic field at some fixed point in space, (C) either (a) or (b), (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ Polarization of a wave is, Options are ⇒ (A) direction of electric field, (B) direction of magnetic field at some fixed point in space, (C) either (a) or (b), (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Polarization of a wave is
A.	direction of electric field [Correct Answer]
B.	direction of magnetic field at some fixed point in space [Wrong Answer]
C.	either (a) or (b) [Wrong Answer]
D.	none of the above [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 Boolean function A + BC is a reduced form of
AB + BC
(A + B) . (A + C)
AB + ABC
(A + C) . B

⇒ If 4 in binary system is 100 then 8 will be
10
100
111
1000

⇒ Which one of the following is transferred locking electron device C antenna?
BARITT diode
IMPATT diode
Gunn diode
Step recovery diode

⇒ For maximum unclipped output from a CE amplifier, the Q point should be
at the centre of dc load line
at the centre of ac load line
at the centre of collector current
none of the above

⇒ Magnetic deflection is inversely proportional to
voltage
(voltage)^0.5
(voltage)^1.5
(voltage)²

⇒

Assertion (A): The access time of memory is lowest in the case of DRAM

Reason (R): DRAM uses refreshing cycle.

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 true, R is false
A is false, R is true

⇒ The current wave of figure, is passed through a 3 H inductor during the period 0 to 2 sec
is 3 V
is 6 V
increases from 0 at t = 0 to 6 V at t = 2 seconds
increases from 0 at t = 0 to 6 V at t = 2 seconds and then decreases

⇒ The two port networks are connected in cascade, the combination is to be represented as a single two-Port network. The parameters of the network are obtained by multiplying the individual matrix
z-parameter
h-parameter
y-parameter
ABCD parameter

⇒ In a conventional AM superhetrodyne receivers, the detectors employed to extract intelligence include
Peak detectors
Ratio detectors
PLL
Slope detectors

⇒ The Boolean expression B⊕E is a simplified version of expression ABE + BCDE+ BC D E + A B D E + B C D E + A B D E then which of the following choice is correct?

don't care conditions doesn't exist
don't care conditions exist
d( 16, 18, 20, 23, 27, 29) is the set of don't care conditions
d( 16, 20, 22, 27, 29) is the set of don't care conditions

1 only
2 and 3 only
2 and 4 only
data insufficient

⇒ The oscillator shown in figure
Clapp oscillator
R-C Phase shift oscillator
Hartley oscillator
Colpitt's oscillator

⇒ Highest value of Autocorrelation of a function 100 cos 50 pt is
50
100
zero
100/p

⇒ If F_n represents Fourier series coefficient of f(t), then Fourier series coefficient of f(t + t) =
F_ne ^-jω₀^t
F_ne ^jω₀^t
F_ne ^jnω₀^t
F_ne ^-jnω₀^t

⇒ In the circuit shown in the figure, steady-state was reached when the switch S was open. The switch was closed at t = 0. The initial value of the current through the capacitor 2
zero
0.0416666666666667
0.0833333333333333
0.125

⇒ Which of the following terminations makes the input impedance of a line equal to characteristic impedance Z₀?
line open circuited at far end
line terminated in Z₀
line short circuited at far end
line terminated in inductance

⇒ A cycloconverter cannot give a frequency higher than input frequency.
TRUE
FALSE

⇒ In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include
antenna replacement and feed correction
amplitude timing and phase correction
polarization shifting and code diversity
path diversity and frequency diversity

⇒ If the height of transmitting and receiving antenna in a LOS system are 49 meter and a 9 meter respectively then the distance up to which communication may be possible is about
40 km
110 km
400 km
1100 km

⇒ In a tape recorder the output from RF oscillator is given to
only erase head coil
only record head coil
coils of both erase head and record head
none of the above

⇒ A 2 bit binary multiplier can be implemented using
2 inputs ANDs only
2 I/P XOR and 4 I/P AND gate only
two 2 inputs NORs and One XNOR gate
XOR gates and shift registers

⇒ An encoder converts decimal numbers to binary and other codes.
TRUE
FALSE

⇒ Which of the following statement is false?
A stationary process is always a ergodic process
A ergodic process is always a stationary random process
It is possible to have a stationary random
None of the above

⇒ In figure, V_C is approximately equa
2 V
4.6 V
8 V
7.6 V

⇒ A P-N junction offers
high resistance in forward as well as reverse direction
low resistance in forward as well as reverse direction
conducts in forward direction only
conducts in reverse direction only

⇒ For the waveform shown below, the slew rate and full power bandwidth with respect to op-amp will be respecti
0.02 V/μsec, 1.59 KHz
0.04 V/μsec, 1.59 KHz
0.02 V/μsec, 3.58 KHz
0.02 V/μsec, 1.59 KHz

⇒ A 4 bit binary adder has 4 full adders.
TRUE
FALSE

⇒ In a cycloconverter it is possible to vary
only output frequency
only output voltage
both output voltage and frequency but not simultaneously
both output voltage and output frequency simultaneously

⇒ In a FET, g_m varies as
I_DS
I_DS2
1/IDS
I_DS

⇒ Which one of the following statements is not a property of RL driving point impedance?
The first critical frequency at the origin is a zero
The last critical frequency is a pole
The impedance at S = ∞ always less than the impedance at S = zero
The slope of the impedance curve is positive at all points

⇒ For a second order system delay time t_d is the time required to reach
half the final value for the very first time
the final value for the very first time
90% of the final value for the very first time
none of the above