Question is ⇒ A uniform plane EM wave incident normally on a plane surface of a dielectric material is reflected with a VSWR of 3. What percentage of incident power that is reflected?, Options are ⇒ (A) 0.1, (B) 0.25, (C) 0.5, (D) 0.75, (E) , Leave your comments or Download question paper.

Question is ⇒ A uniform plane EM wave incident normally on a plane surface of a dielectric material is reflected with a VSWR of 3. What percentage of incident power that is reflected?, Options are ⇒ (A) 0.1, (B) 0.25, (C) 0.5, (D) 0.75, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	A uniform plane EM wave incident normally on a plane surface of a dielectric material is reflected with a VSWR of 3. What percentage of incident power that is reflected?
A.	0.1 [Wrong Answer]
B.	0.25 [Correct Answer]
C.	0.5 [Wrong Answer]
D.	0.75 [Wrong Answer]
View Answer 1 -2 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 :

⇒ While __________ is the fastest unsaturated logic gate __________ has the excellent noise immunity?
ECL, TTL
TTL, ECL
ECL, RTL
RTL, DTL

⇒ Which of the following characteristics of a silicon p-n junction diode make it suitable for use as ideal diode?

It has low saturation current.
It has high value of cut in voltage.
It can withstand large reverse voltage.
When compared with germanium diode, silicon diode shows a lower degree of temperature dependence under reverse conditions.

Select the answer using the given below
1 and 2
1, 2, 3, 4
2, 3, 4
1, 3

⇒

Assertion (A): The part of root locus on the real axis is not dependent on the poles and zeros which are not on the real axis.

Reason (R): Poles and zeros which are not on the real axis occur in conjugate pairs

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
R is correct but A is wrong

⇒ In a number system with radix r, the decimal value of 110 is equal to 4r. The decimal values of 111 and r respective are equal to
20, 5
16, 4
13, 3
8, 2

⇒ A transmission line is feeding 1 watt of power to a horn antenna having a gain of 10 dB. The antenna is matched to the transmission line. The total power radiated by the horn antenna into the free space is
10 watts
1 watt
0.1 watt
0.01 watt

⇒ The logic performed by the high-noise immunity logic circuit shown belo
OR
AND
NOR
NAND

⇒

Match the following:

	List I (Symbol in java)		List II (Meaning)
A.	&	1.	Logical AND
B.	ˆ	2.	AND
C.	\| \|	3.	XOR
D.	& &	4.	Logical OR

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

⇒ The Z transform of a particular signal is given
non causal and stable
causal and stable
unstable and noncausal
can't say

⇒ Consider the following statements about instrument landing system of aircraft

It ensures correct landing under conditions of low visibility.
It consists of runaway localizer, glide path equipment and marker beacons.
It is basically a blind landing system.

Which of above statements are correct?
All
1 and 2 only
1 and 3 only
2 only

⇒ In which condition does BJT behave like a closed switch?
Cut off
Saturation
Forward active
Reverse active

⇒ Which of these commutation methods uses an external pulse for commutation?
Class A
Class C
Class E
Class F

⇒ In a CE amplifier the Q point is very close to cutoff point on the load line. This results in
saturation clipping
cut off clipping
both saturation and cut off clipping
either saturation clipping or cut off clipping

⇒ Computer virus can hide itself in a diskette but not in a hard disk.
TRUE
FALSE

⇒ Choose correct option for a stable system :

Roots of the characteristic equation of the system are real and negative
Area within the impulse response is finite

I is true, II is true
I is true, II is false
I is false, II is true
I is false, II is false

⇒ Consider the following DO statement in Fortran 77 1
10
3
4

⇒ Find R_L for maximum power trans
3 Ω
1.125 Ω
4.1785 Ω
None of these

⇒ Ohmic range of metal film resistors is
1 to 100 ohms
10 to 1 K ohms
100 to 1 M ohms
100 to 100 M ohms

⇒ When R and L are connected in parallel, R > |Z|.
TRUE
FALSE

⇒ Robotic manipulator arms mostly use
hydraulic actuator
pneumatic actuator
electric motor actuator
none of the above

⇒ In the circuit shown, the power supplied by the voltage so
0 W
5 W
10 W
100 W

⇒ In p-n-p transistor the current I_E has two components viz. I_EP due to injection of holes from p-region to n-region and I_E due to injection of electrons from n-region to p-region. Then
I_Ep and I_En are almost equal
I_Ep >> I_En
I_En >> I_Ep
either (a) or (c)

⇒ Multiplexer can be used as logic function generator.
TRUE
FALSE

⇒ A Hartley oscillator is used for
very low frequencies
radio frequencies
micro wave frequencies
audio frequency

⇒ Reflex klystron oscillator is essentially a low power device
TRUE
FALSE

⇒ A flip-flop circuit is
monostable
bistable
multistable
unstable

⇒ An I/O processor controls the flow of information between
cache memory and I/O devices
main memory and I/O devices
two I/O devices
cache and main memory

⇒ The thermal resistance of a BJT is about
100° C/W
200° C/W
20° C/W
2° C/W

⇒ Which of the following instruction modes does not exist in microprocessor 8085?
Inherent
Immediate
Absolute
Indirect

⇒ In a piezoelectric crystal, application of a mechanical stress would produce
plastic deformation of the crystal
magnetic Dipoles in the crystal
electric polarization in the crystal
shift in the Fermi level

⇒ Satellites used for international communication are called
cossort
domsat
marisat
intelsat