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Q1. | The baud rate is |

A. | not equal to signalling rate [Wrong Answer] |

B. | always equal to bit transfer rate [Wrong Answer] |

C. | equal to twice the bandwidth of an ideal channel [Correct Answer] |

D. | equal to half the bandwidth of ideal channel [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ When P-N junction is in forward bias, by increasing the battery voltage

current through P-N junction reduces

current through P-N junction increases

circuit resistance increases

none of the above

⇒ For a stable system

both phase and gain margin are negative

both phase and gain margin are positive

phase margin is positive but gain margin is negative

gain margin is positive but phase margin is negative

⇒ For a D/A converter, inputs and outputs are given. The output corresponding to digital input 01

2.0 V

2.5 V

3.0 V

4.0 V

⇒ Which of the following is operating system?

MS WORD

Ventura

Java

Windows

⇒ In a second order system, the time constant t of exponential envelopes depends

only on damping factor

only on natural frequency

both on damping factor and natural frequency

neither on damping factor nor on natural frequency

⇒ A 400 W carrier is modulated to a depth of 75 percent. The total power in modulated wave will be

38.5 W

400 W

512.5 W

615.5 W

⇒ The decimal equivalent of binary 1101.11 is

9.75

13.75

11.5

11.75

⇒ In the given figure shows a 3 bit shift register using TTL flip flops. Initially all the flip flops are set to 0 state. After 8 clock pul

A = 1, B = 1, C = 1

A = 1, B = 1, C = 0

A = 0, B = 1, C = 1

A = 0, B = 0, C = 1

⇒ Pico-farad is equal to

10

^{-6}farad

10

^{-12}farad

10

^{-3}farad

10

^{-9}farad

⇒ For the circuit shown in the figure, D has a transition from 0 to 1 after CLK changes from 1 to 0. Assume gate delays to be neglig

Q goes to 1 to the CLK transition and stays at 1

Q goes to 0 at the CLK transition and stays at 10

Q goes to 1 at the CLK transition and goes to 0 when D goes to 1

Q goes to 0 at the CLK transition and goes to 1 when D goes to 1

⇒ In measurements using strain gauge, the dummy strain gauge is used to

compensate for resistance of strain gauge

compensate for change in temperature

compensate for error due to change in voltage of battery

compensate for error in voltmeter

⇒ In figure, the effective capacitance between A and

2 μF

4 μF

8 μF

10 μF

⇒ The number of PM radio channels which can be accommodated in a spectrum of 300 MHz is about

10

100

500

1500

⇒ If the ratio

*p*(

*s*)/

*q*(

*s*) represents a transfer function then

the degree of

*p*(

*s*) may be as small as zero, independent of degree of

*q*(

*s*)

the degree of

*p*(

*s*) and

*q*(

*s*) must be equal

the degrees of

*p*(

*s*) and

*q*(

*s*) must not be equal

the degrees

*p*(

*s*) and

*q*(

*s*) must differ by at least two

⇒ For a resistance of about 15 kΩ operating in a frequency range of a few MHz, the noise voltage is in the range of

a few μV

about 100 μV

a few μV

a few volts

⇒ A point charge of 6 μC is located at the origin, uniform line charge density of 180

*n*C/

*m*of 8

*m*length lies along the

*x*axis and a uniform sheet of charge equal to 25

*n*C/

*m*

^{2}of area p x 4

^{2}lies in the

*z*= 0 plane. Calculate total electric flux leaving the surface of sphere of 4

*m*radius centered at origin.

86.97 μC

8.697

*n*C

8.697 μC

86.97

*n*C

⇒ The properties of FETs closely resemble those of a

thermionic valve

P-N-P transistor

N-P-N transistor

UJT

⇒ Hystresis loss least depends on

frequency

magnetic field intensity

volume of the material

grain orientation of material

⇒ A parity detector can detect

single error only

single error or odd number of errors

two errors

single or two errors

⇒ Modulated carrier power in FM

increases with modulating signal power

decreases with modulating signal power

is independent of the modulating signal power

none

⇒ When temperature is more than ferromagnetic curie temperature, the behaviour of a ferromagnetic material is similar to that of paramagnetic material.

TRUE

FALSE

⇒

**Assertion (A):** For satellites and space probes, PRF of a radar is pretty low.

**Reason (R):** PRF of a radar depends on the range of a radar.

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

A is wrong but R is correct

⇒ A function Z(

*s*) has zero at infinity if

the degree of numerator and denominator are equal

the numerator of Z(

*s*) is one degree higher than denominator

the denominator of Z(

*s*) is one degree higher than numerator

the degree of numerator and denominator are either equal or differ by one

⇒ Which of the following methods can be used to measure power in a single phase circuit without using wattmeter?

- One voltmeter, one ammeter
- Two voltmeters, two ammeter
- Three voltmeters
- Three ammeters

1 and 2 only

2 and 4 only

1 and 3 only

3 and 4 only

⇒ Consider the following stateme

1, 2 and 3

1 and 2 only

2 and 3 only

3 and 4 only

⇒ A switch tail ring counter is made by using a single D FF. The resulting circuit is a

SR FF

JK FF

D FF

T FF

⇒ In order to obtain triangular pulses at the output of the circuit in the figure, the input should

grounded

a square wave

Triangular wave

Trigger

⇒ In PCM, the quantization noise depends on

sampling rate

signal power

number of quantization level

signal energy

⇒ In practical commercial AM system channel bandwidth is

150 kHz

100 kHz

15 kHz

200 kHz

⇒ A Hartley oscillator uses

a tapped inductor

a tapped capacitor

both (a) and (b)

neither (a) nor (b)