Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | Transmitted voltage level is: |

A. | 11 [Wrong Answer] |

B. | 7.8 [Wrong Answer] |

C. | 7.348 V [Correct Answer] |

D. | none of these [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 :**

⇒ In the signal flow graph in the given figure the number of forward paths and pairs of non-touching loops are respecti

3 and 1

3 and 2

4 and 2

2 and 4

⇒ It has been found that in a rectifier circuit with RC filter one RC section reduces ripple by 15%. Two RC sections are used in cascade the reduction in ripple would be

0.15

0.3

1.5

2.25

⇒ The use of SSB

halves the bandwidth required for transmission

does not affect the bandwidth for transmission

decreases the bandwidth required for transmission by 25%

decreases the bandwidth required for transmission by 66.6%

⇒ Poynting vector signifies which of the following?

Power density vector producing electrostatic field

Power density vector producing electromagnetic field

Current density vector producing electrostatic field

Current density vector producing electromagnetic field

⇒ MTSO stands for

Metropolitan Telecommunication Subscribers Office

Metropolitan Telecommunication Switching Office

Mobile Telecommunication Switching Office

Mobile Telecommunication Subscriber Office

⇒ The deflection sensitivity of a CRO is generally expressed in

meter/V

cm/V

V/meter

V/cm

⇒ Which of the following is a passive component?

Semiconductor devices

Vacuum tube devices

Capacitors

All of the above

⇒ The disadvantage of FM over AM is that

high output power is needed

high modulating power is needed

noise is very high for high frequency

large bandwidth is required

⇒ In setting up 'for' loops in Pascal, the initial and final values of index may be

integer constants

Integer constants or integer variable names

integer constants or integer variable names or integer expressions

integer constants or real constants

⇒ Which of the following expressions is invalid in Fortran?

IA + IB

IB * IC / ID

IA * B

- K * I + J

⇒ For Bode plot of (1 +

*j*ωT) has

slope of 20 dB/decade and phase angle + tan

^{-1}(ωT)

slope of - 20 dB/decade and phase angle + tan

^{-1}(ωT)

slope of 20 dB/decade and phase angle - tan

^{-1}(ωT)

slope of - 40 dB/decade and phase angle - tan

^{-1}(ωT)

⇒ Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTL

CMOS

ECL

TTLLS

⇒ In a P-N-P junction transistor as compared to base region is more heavily doped so that

leakage current is minimized

recombination will be increased in the base region

the flow across the base regional is only because of electrons

the flow across the base region is mainly because of holes

⇒ Which of the following input is not possible in case of a SR flip-flop?

S = 0, R = 0

S = 0, R = 1

S = 1, R = 0

S = 1, R = 1

⇒ A line of characteristic impedance Z

_{0}branches into two line each with characteristic impedance Z

_{0}. The refracted voltage is

zero

infinite

equal to incident voltage

two third of incident voltage

⇒ Words having 8 bits are to be stored into computer memory. The number of lines required for writing into memory are

1

2

4

8

⇒ Denominator polynomial of a transfer function of certain network

stable

oscillatory

unstable

depends on numerator polynomial

⇒ Nichols chart consists of

constant magnitude loci

constant phase angle loci

magnitude and phase angle loci in log-magnitude versus phase diagram

none of the above

⇒ If X = 1 in the logic equation [X + Z { Y + (Z + X Y)}] { X + Z (X + Y)} = 1, then

Y = Z

Y = Z

Z = 1

Z = 0

⇒ An open coil has

zero resistance and inductance

zero resistance and high inductance

infinite resistance and zero inductance

infinite resistance and normal inductance

⇒ Which one of the following gain equations is correct for a MOSFET common-source amplif

A

_{V}=

*g*

_{m}/(1 - R

_{D})

A

_{V}=

*g*

_{m}/R

_{D}

A

_{V}=

*g*

_{m}/(1 + R

_{D})

A

_{V}= R

_{D}/

*g*

_{m}

⇒ The main advantage of TWT over klystron is

higher bandwidth

higher gain

higher frequency

higher output

⇒ The length of half-wave antenna is at 30 MHz

2.5 meter

5 meter

10 meter

100 meter

⇒ Consider a loss less antenna with a directive gain of + 6 dB. If 1 mW of power is fed to it the total power radiated by the antenna will be

4 mW

1 mW

7 mW

1/4 mW

⇒ The first column of a Routh arra

2

3

4

5

⇒ For the logic circuit of the given figure the simplified Boolean expressio

Y = AB + A C

Y = (AB) (A C)

Y = ABC

Y = A B + A C

⇒ Electromagnetic cavity resonators (energy storage devices) are used in

wave meters

bandpass filters

high frequency tubes

all of the above

⇒ The wave propagation occurs without attenuation in case of a

conductor

semiconductor

perfect dielectric

none of the above

⇒ TRAP is __________ whereas RST 7.5, RST 6.5, RST 5.5 are __________ .

maskable, non-maskable

maskable, maskable

non-maskable, non-maskable

non-maskable, maskable

⇒ A DIAC has two terminals, anode and cathode.

TRUE

FALSE