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. | The shunt admittance of a transmission line is given by |

A. | γ = R + jωL [Wrong Answer] |

B. | γ = R - jωL [Wrong Answer] |

C. | γ = G + jωC [Correct Answer] |

D. | γ = jωGC [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 a four variable K map eight adjacent cells give

single variable term

two variable term

three variable term

four variable term

⇒ In position control system the device used for providing rate feedback voltage is

potentiometer

synchro-transmitter

synchro-transformer

tacho generator

⇒ Figure shows a NAND latch used as a switch debouncer. With the switch in STOP position. Q will be equal to

0

1

CLK

none of these

⇒ In a two phase servomotor the voltages applied to the two stator windings

are equal in magnitude and are in phase

are unequal in magnitude but are in phase

are equal in magnitude but have a phase difference of 90°

are unequal in magnitude and have a phase difference of 90°

⇒ PWM can be generated

by a free running multivibrator

by integrating the signal

by a monostable multivibrator

by differentiating pulse position modulation

⇒ When a transistor is to be at a temperature above 25°C

smaller heat sink be provided

maximum power rating be derated

biasing circuit must be strengthened

earth connections must be connected through a resistor

⇒ In a negative feedback amplifier A = 100, β = 0.04 and V

_{s}= 50 mV, then feedback will be

4

8

10

2

⇒ If B is the bandwidth, the thermal noise voltage is proportional to

B

B

^{0.5}

B

^{1.5}

B

^{2}

⇒ The figures shows the symbo

p channel depletion MOSFET

p channel enhancement MOSFET

complementary MOSFET

p channel JFET

⇒ A dc machine has 6 poles all connected in series. Each pole has 9 H inductance and field current is 2 A. Total inductance and total energy stored are

9 H and 18 J

18 H and 36 J

54 H and 108 J

108 H and 216 J

⇒ The network of the given figure

lag network

lead network

lag-lead network

any of the above

⇒ Which of the following devices should be used for accurate measurement of a low dc voltage?

Small range moving coil voltmeter

Dc potentiometer

Small range thermocouple voltmeter

Hot wire instrument

⇒ The integral of a unit impulse is

a unit step function

a ramp function of slope 1

a pulse function of magnitude 1

none of the above

⇒ In

*p*type semiconductor holes are majority carriers.

TRUE

FALSE

⇒ What will be minimum conversion rate in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

9000

9259

1000

1000

⇒ A number of impulses spaced fron one another form an impulse train.

TRUE

FALSE

⇒ The nodal method of circuit analysis is based on

KVLs, ohm law

KCLs, ohm law

KCLs, KVL

KCL, KVL, ohms law

⇒ A thyristor has maximum allowable junction temperature of 110° C and the ambient temperature is 40°C, If the maximum internal power dissipation is 50 W, the thermal resistance is

2° C/W

1.4° C/W

0.7°C/W

2.2° C/W

⇒ As compared to TTL, CMOS logic has

higher speed of operation

higher power dissipation

smaller physical size

all of the above

⇒ For making a capacitor it is better to have a dielectric having

high permittivity

low permittivity

permittivity same as that of air

permittivity which is neither high nor low

⇒ If temperature increases by about 50°, the resistance of thermistor changes to

half of its initial value

twice of its initial value

eight times of its initial value

one eight of its initial value

⇒ High speed counter

ring counter

ripple counter

synchronous counter

asynchronous counter

⇒ A communication channel with AWGN operating at a signal to noise ratio SNR >> 1 and bandwidth B has capacity C

_{1}. If the SNR is doubled keeping B constant, the resulting capacity C

_{2}is given by

C

_{2}≈ 2C

_{1}

C

_{2}≈ C

_{1}+ B

C

_{2}≈ C

_{1}+ 2B

C

_{2}≈ C

_{1}+ 0.3B

⇒ N circles for a = a

_{1}, and a = a

_{1}± 180°

*n*(where

*n*= 1, 2, 3, ....) are the same.

TRUE

FALSE

⇒ For stable network the real parts of poles and zeros of driving point functions must be

negative

negative or zero

zero

positive

⇒ For a 400 kHz transmission line having L = 0.5 mH/km, C = 0.08 mF and negligible R and G, the velocity propagation will be

15.8303 km/s

15.830 km/s

1.583 km/s

0.1583 km/s

⇒ There is no radiation at right angles to the plane of the array, is end fire array.

TRUE

FALSE

⇒ When Schrodinger equation is applied to the motion of electron in the field of protons, the physically acceptable solutions for the wave function exist for quantum number which are

2

3

4

5

⇒

**Assertion (A):** A half cycle of sine wave can be expressed as sum of sine wave and another sine wave shifted by *T*/2 where T is the time period.

**Reason (R):** The function *u*(*t* - *t*_{0}) - *u*(*t* - *t*_{0} - T) is a gate function occuring at *t* = *t*_{0} and of duration T.

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 true, R is false

A is false, R is true

⇒ Start and stop bit do not contain any information but are used in serial communication for

error correction

error detection

synchronization

slowing down the communication