Question is ⇒ Frequency frogging is used in a carrier system to, Options are ⇒ (A) conserve frequencies, (B) reduce distortion, (C) reduce cross talk, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ Frequency frogging is used in a carrier system to, Options are ⇒ (A) conserve frequencies, (B) reduce distortion, (C) reduce cross talk, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Frequency frogging is used in a carrier system to
A.	conserve frequencies [Wrong Answer]
B.	reduce distortion [Wrong Answer]
C.	reduce cross talk [Correct Answer]
D.	none of the above [Wrong Answer]
View Answer 1 -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 :

⇒ In radar system if the antenna diameter is increased by a factor of 4, the minimum range will increased by a factor of
1
2
22
4

⇒ An AM signal and a narrowband FM signal with identical carriers, modulating signals and modulation index of 0.1 are added together. The resultant signal can be closely approximated by
Broadband FM
SSB with carrier
DSB-SC
SSB without carrier

⇒ When a plane wave travelling in free space is incident normally on a medium having ε_r = 4.0, then fraction of power transmitted into the medium is given by
42956
42737
42738
42861

⇒ If there are M equally likely and independent messages and M = 2^N where N is an integer, the information in each message is equal to
N bits
0.5 N bits
2 N bits
4 N bits

⇒ In figure, capacitor is uncharged. The switch is closed at t = 0 at t = 0⁺ di/dt100 A/s
-100 A/s
1000 A/s
-1000 A/s

⇒ A parallel RLC network has R = 4Ω, L = 4H, C = 0.25F. Then at resonance Q =
1
10
20
40

⇒ For class B operation the theoretical maximum efficiency is
1
0.785
0.5
0.275

⇒ A folded dipole antenna is conveniently connected to
shielded line
two wire line
coaxial line
flat ribbon type transmission line

⇒
Match the following:
List I List II
A. Resistance 1. M^-1L^-2T²I²
B. Inductance 2. ML²T^-2I^-2
C. Capacitance 3. M^-1L^-2T⁴I²
D. Reluctance 4. ML²T^-3I^-2

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

⇒ At 0 K, silicon and germanium behave like monoatomic crystals.
TRUE
FALSE

⇒ Television transmission is by
ground waves
sky waves
space waves
all of the above

⇒ Shannon's Law relates
antenna gain to frequency
noise power to bandwidth
information-carrying capacity to S/N ratio
transmission losses to noise

⇒ Norton's equivalent circuit
is same as Thevenin's circuit
has no relation with Thevenin's circuit
is dual of Thevenin's circuit
is reciprocal of Thevenin's circuit

⇒ At room temperature a semiconductor material is
perfect insulator
conductor
slightly conducting
any of the above

⇒
Assertion (A): When a wattmeter is used for low impedance loads, the pressure coil is connected across the load.
Reason (R): A wattmeter measures apparent power.

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

⇒ Quartz crystal has
very small Q
small Q
very high Q
Q less than 1

⇒ In figure, the switch is closed at t = 0. At t = 0⁺, di/dt = 4 A/s. Then
10 V
20 V
40 V
80 V

⇒ In a CRO the Y plates are oriented
horizontally
vertically
at an angle of 20° of horizontal
at an angle of 70° of horizontal

⇒
Assertion (A): In ionic dielectrics, P = P_e + P_i.
Reason (R): In ionic crystals, permanent electric dipole moment is zero.

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

⇒ In the case of the circuit shown in the figure V_io = 10 mV dc maximum, the maximum possible output offset voltage V_oo caused by the input offset voltage V_io with respect to groun
60 mV dc
110 mV dc
130 mV dc
150 mV dc

⇒ A 50 Hz current has an amplitude of 10 A. The rate of change of current at t = 0.005 after i = 0 and is increasing is
2221.44 A/s
0
- 2221.44 A/s
- 3141.6 A/s

⇒ Electromagnetic waves transport
energy only
momentum only
energy as well as momentum
neither energy nor momentum

⇒ An op-amp has
low input and output impedance
low input impedance and high output impedance
low output impedance and high input impedance
high output impedance and high input impedance

⇒
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

⇒ A first order system will never be able to give a __________ response
band stop
band pass
all pass
Choose the correct option
1, 2, 3 true
1 and 3 true, 2 false
1, 2 are true 3 is false
1, 2 are false, 3 is true

⇒ ECL has high switching speed because the transistors are
switching between cutoff and saturation regions
switching between cutoff and active regions
switching between active and saturation regions
none of the above

⇒ The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a
null
circle
figure of eight
none of the above

⇒ Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after CMA?
6 AH, 1
6 AH, 0
59 H, 0
9 H, 0

⇒ In floating point representation the number of bits in exponent is
8
7
6
5

⇒ What is the purpose of using ALE signal high?
To latch low order address from bus to separate A₀ - A₇ lines
To latch data D₀ - D₇ from bus to separate data bus
To disable data bus latch
All of the above

	List I		List II
A.	Resistance	1.	M^-1L^-2T²I²
B.	Inductance	2.	ML²T^-2I^-2
C.	Capacitance	3.	M^-1L^-2T⁴I²
D.	Reluctance	4.	ML²T^-3I^-2

	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

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math