Question is ⇒ If transmission bandwidth is doubled in FM, SNR is, Options are ⇒ (A) doubled, (B) raised four times, (C) decreased four times, (D) halved, (E) , Leave your comments or Download question paper.

Question is ⇒ If transmission bandwidth is doubled in FM, SNR is, Options are ⇒ (A) doubled, (B) raised four times, (C) decreased four times, (D) halved, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	If transmission bandwidth is doubled in FM, SNR is
A.	doubled [Wrong Answer]
B.	raised four times [Wrong Answer]
C.	decreased four times [Correct Answer]
D.	halved [Wrong Answer]
View Answer 4 -2 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 :

⇒ For a reactance function H(s), the slope dH (jω)/dω is
0
always positive
always negative
either 0 or positive

⇒ The V_s is give
8 V
13 V
1 V
4 V

⇒ Which circuit has its output signal from, the emitter?
Common base
Common emitter
Emitter follower
None of the above

⇒ For free space propagation
γ = a + jβ
γ = jβ
γ = a
a = β = 0

⇒ The 8086 arithmetic instruction work on

signed and unsigned numbers
ASCII data
unpacked BCD data

Select the correct answer using the codes given below :
1 and 2
1 and 3
2 and 3
1, 2 and 3

⇒ In a common Emitter BJT amplifier, the maximum usable supply voltage is limited by
avalanche breakdown of Base emitter junction
collector to Base Breakdown voltage with emitter open (βV_CBO)
collector Emitter Breakdown voltage with base open (βV_CBO)
zener breakdown voltage of the emitter base Junction

⇒ The circuit of the given figure realizes the func
Y = (A + B) C + DE
Y = A + B + C + D + E
AB + C +DE
AB + C(D + E)

⇒ In a semi converter feeding a resistive load, the firing angle is a. Each thyristor conducts for
p radians
(p - a) radians
(p + a) radians
(p - 0.5 a) radians

⇒ Which of the following is operating system?
MS WORD
Ventura
Java
Windows

⇒ In a crystal oscillator of the Colpitt's oscillator type, the crystal is put is place of the
resistor R₁
condenser C₂
condenser C₁
inductor L

⇒ The entries in the first column of Routh array of a fourth order are 5, 2, - 0.1, 2, 1. The number of poles in the right half plane are
1
2
3
4

⇒ The inductance of a coil can be increased by
choosing core material having high relative permeability
decreasing diameter of the former
decreasing the number of turns
increasing core length

⇒ A wave is frequency modulated with an index of 0.1 and its frequency is multiplied by 8 times, the modulation index is
not changed
decreased 8 times
increased 4 times
increased 8 times

⇒ A full wave bridge diode rectifier uses diodes having forward resistance of 50 ohms each. The load resistance is also 50 ohms. The voltage regulations is
0.2
0.5
1
2

⇒ The gain of collinear arrays is maximum when the spacing between the elements is
0.1 λ to 0.3 λ
0.3 λ to 0.9 λ
0.5 λ to 0.7 λ
0.7 λ to 0.9 λ

⇒ In figure the coordinates of Q point on the load line are (Neglect V_{BEI_C = 10 mA, V_CE = 15 V
I_C = 5 mA, V_CE = 22.5 V
I_C = 5 mA, V_CE = 15 V
I_C = 10 mA, V_CE = 22.5 V}

⇒ A silicon controlled switch has :
2 leads
3 leads
4 leads
5 leads

⇒ Determine the correctness or otherwise of the following Assertion [a] and the Reason
Both [a] and [r] are true and [r] is the correct reason for [a]
Both [a] and [r] are true but [r] is not the correct reason for [a]
Both [a] and [r] are false
Both [a] and [r] are true

⇒ Which of the following is not a proper FORTRAN expression?
B + A / C - D
(A + C) / (B + D)
B + * A / C
A ** (B + 2)

⇒ Radio broadcasting is a familiar example of
space multiplexing
time multiplexing
frequency multiplexing
none of the above

⇒ In the given figure power meters at A and B indicate 1 mW and 110 μW respectively. VSWR of lin
1.5
2
2.5
3

⇒

Match the following:

	List I		List II
A.	Resistance	1.	Current noise
B.	Diode	2.	Partition noise
C.	Triode	3.	Shot noise
D.	p-n junction	4.	Atmospheric noise
		5.	Johnson noise

A-5, B-3, C-2, D-1
A-1, B-2, C-3, D-5
A-3, B-5, C-1, D-2
A-3, B-5, C-2, D-1

⇒ An RC impadence function has a pole at s = 0. The first element in the Foster form of synthesis
is R
may be R and C
is C
is R and C in parallel

⇒ The magnitude response of a normalised Butterworth low pass filter is
linear starting with value of unity at zero frequency and 0.707 at cut off frequency
non linear all through but with values of unity at zero frequency and 0.707 at cut off frequency
linear upto cut off frequency and nonlinear thereafter
nonlinear upto cut off frequency and linear thereafter

⇒ A woofer should be fed from the input through a
low pass filter
high pass filter
band pass filter
band stop filter

⇒ In a pulsed RADAR typical value of pulse duration and pulse frequency respectively are
1 μs and 50 Hz
1 μs and 500 Hz
4 μs and 50 Hz
4 μs and 500 Hz

⇒ Consider the following statement: In case of a superconductor

B = 0
μ_r is high
diamagnetism is high
transition temperature varies with isotopic mass.

Of the above statements
1 and 2 are correct
2, 3, 4 are correct
1, 3, 4 are correct
2, 4 are correct

⇒ The clear data and present input of the JK flip-flop are known as
direct inputs
synchronous inputs
indirect inputs
either direct inputs or synchronous inputs

⇒ The factor n in the equation for calculating current for a silicon diode is
1
2
2.5
2 for low levels of current and 1 for high levels of current

⇒ It is desired to display the digit 7 using a seven segment display. The LEDs to be turned on are
a, b, c
b, c, d
c, d, e
a, b, d