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. | In Z_{RC}(s) has a pole at s = 0, the first element in first Foster realization is |

A. | a capacitor [Correct Answer] |

B. | a resistor [Wrong Answer] |

C. | R-C in series [Wrong Answer] |

D. | either a capacitor or resistor [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒

Match the following:

List I (Octal) | List II (Hexadecimal) | ||
---|---|---|---|

A. | 66 | 1. | 3 F |

B. | 77 | 2. | 36 |

C. | 55 | 3. | 27 |

D. | 47 | 4. | 3D |

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

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

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

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

⇒

**Assertion (A):** In C arithmetic operations are pemiissible on ints, floats and chars.

**Reason (R):** In C every arithmetic operator must be written explicitly.

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 R is wrong

A is wrong R is correct

⇒ Foster Seeley discriminator uses a

double tuned circuit in which primary and secondary are tuned to different frequencies

double tuned circuit in which primary and secondary are tuned to same frequencies

single tuned circuit

three triodes in series

⇒ The Laplace transform of a unit step function is

1

1 /

*s*

*s*

1 /

*s*

^{2}

⇒ Which of the following statement is correct?

Decimal 9 is represented as 1011 in Excess-3 code

Decimal 9 is represented as 1001 is BCD code

Decimal 10 is represented as 1100 is Gray code

Decimal 10 is represented as 1001 in binary code

⇒ In terms of classical representation of electrons

an atom is essentially empty

an atom is essentially full

an atom may be essentially empty or full depending on the material

an atom may be essentially empty or full depending on temperature

⇒ MUF is highest in periods of greatest sunspot activity.

TRUE

FALSE

⇒ In op-amp integrating amplifier the input is feed to

inverting input

non-inverting input

both inverting and non-inverting input

either inverting or non-inverting input

⇒

**Assertion (A):** When an SCR is conducting, the voltage drop across is about 1 V.

**Reason (R):** When an SCR is conducting, the junction temperature is about 200°C.

Both A and R are correct and R is correct explanation of A

Both A and R correct but R is not correct explanation of A

A is correct but R is wrong

A is wrong but R is correct

⇒ The polarization phenomena in Faraday rotation

is non-reciprocal

exists along perpendicular direction

exists along the axis of array

does not exist

⇒ If (10)

_{x}x (10)

_{x}= (100)

_{x}; (100)

_{x}x (100)

_{x}= (10000)

_{x}then x can take value :

2

5

10

all of these

⇒ A voltage

*v*= 100 sin ω

*t*+ 10 sin 5 ω

*t*is applied to a pure capacitor having capacitance of 1 μF. If ω = 314 rad/sec, the current through the capacitor is

0.0314 cos 314

*t*+ 0.0157 cos 1570

*t*

0.0314 sin 314

*t*+ 0.0157 sin 1570

*t*

0.0314 cos 314

*t*+ 0.0314 cos 1570

*t*

0.0157 cos 314

*t*+ 0.0157 cos 1570

*t*

⇒ In the above case if the modulating frequency is increased to 20 kHz the bandwidth will be

0.05 MHz

1 MHz

2 MHz

4 MHz

⇒ The units for electric dipole moment are

coulombs

colomb-metre

coulomb/metre

coulomb/m

^{2}

⇒ A resistor is rated at 0.75 watt, 1 kΩ. Its current rating is

1 mA

27.386 mA

1.268 mA

5.393 mA

⇒ A hollow rectangular waveguide has dimensions

*a*= 2

*b*. Calculate the amount of attenuation, if the frequency is 3 GHz, and

*b*= 1 cm.

49

47.33

50.33

50

⇒ Ripple factor RF and form factor FF are related as

RF = FF

^{2}- 1

RF = (FF

^{2}- 1)

^{0.5}

RF = FF - 1

RF = (FF - 1)

^{0.5}

⇒ The width of a radio beam from a 1 m diameter parabolic antenna at 10 GHz is about

100°

50°

5°

1°

⇒ Two capacitors of 1 μF and 2 μF are connected in series across a 10 V dc battery. After the capacitors have been charged, the charges across the two capacitors will be

10 μC each

20 μC each

10 μC and 20 μC

20 μC and 10 μC

⇒ For measuring temperatures below 800°C with high accuracy, the best instrument is

optical pyrometer

thermistor based thermometer

GaAs junction diode thermometer

platinum resistance thermometer

⇒

*x*= AX + B

*u*is a state equation.

TRUE

FALSE

⇒ A transconductance amplifier has

high input impedance and low output impedance

low input impedance and high output impedance

high input and output impedance

low input and output impedance

⇒ The log magnitude curve for a constant gain K is a horizontal straight line at a magnitude 20 log K dB.

TRUE

FALSE

⇒ If a sample of germanium and a sample of Si have the impurity density and are kept at room temperature then

both will have equal value of resistivity

both will have equal -ve resistivity

resistivity of germanium will be higher than that of silicon

resistivity of Si will be higher than of germanium

⇒ The slew rate of an ideal op-amp is

very slow

slow

fast

infinitely fast

⇒ Silicon diodes have __________ reverse resistance than germanium diodes.

a much smaller

a much larger

an infinite

a negligible

⇒ In rectifier circuits, the rms value of ac component of output voltage is equal to

V

_{rms}

0.5 V

_{rms}

(V

_{rms}- V

_{dc})

^{0.5}

(V

_{rms}

^{2}- V

_{dc}

^{2})

^{0.5}

⇒ A 3 phase series inverter has

12 thyristors

6 thyristors

3 thyristors

3 or 6 thyristors

⇒ Two network said to be dual to each other

if mesh equation of one is same to other of node equation

if mesh equation of both is same

if node equation of both is same

neither mesh equation nor node equation is same

⇒ In a combination limiter with sinusoidal input voltage the output wave can be nearly square.

TRUE

FALSE