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. | Permeability is analogous to |

A. | resistivity [Wrong Answer] |

B. | retentivity [Wrong Answer] |

C. | conductivity [Correct Answer] |

D. | coercivity [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 :**

⇒ The equivalent form of the logical expression ABC + A BC + ABC + ABC + AB C is

C + (A ⊕ B)

(A + B + C)(A + B + C)

(A + B + C)(A + B + C)(A + B + C)

(A + B + C)(A + B + C)(A + B + C)

⇒ A signal is

*x*+

*f*(

*t*) where

*x*is constant and

*f*(

*t*) is a power signal with zero mean value. The power of the signal is

*x*

^{2}

*x*

^{2}+

*f*

^{2}(

*t*)

more than

*x*

^{2}+

*f*

^{2}(

*t*)

less than

*x*

^{2}+

*f*

^{2}(

*t*)

⇒ To obtain very high input and O/P impedance in a feedback amplifier, the type of feedback utilized

voltage series

current series

voltage shunt

current shunt

⇒ In telephone systems, load is expressed in the unit of

erlangs

decibels

bells

watts

⇒ System

causal

stable

non causal

anticausal

⇒ Many compounds also exhibit semiconducting properties.

TRUE

FALSE

⇒ The expression H

_{Z}= C cos(B

*x*) cos(A

*y*)

*yz*is for

TE wave

TM waves

both TE and TM waves

some TE and some TM waves

⇒ The register set and instruction set of 8088 is similar to that of

8085

8086

partly 8085 and partly 8086

none of the above

⇒ Hall's effect can be used to measure

magnetic field intensity

average number of holes

carriers concentration

electrostatic field intensity

⇒ A Wien bridge oscillator uses Wien bridge for

tuning and phase shift

tuning

phase shift

either tuning or phase shift

⇒ In FM, when the bandwidth is doubled, the signal to noise ratio improves by a factor of

2 dB

4 dB

6 dB

8 dB

⇒ A FET has

very high input resistance

very low input resistance

high connection emitter junction

forward biased PN junction

⇒ The number of spectral component of a cosine wave is

1

0

2

4

⇒

Match the following:

List I (Characteristic equation) | List II (Degree of damping) | ||
---|---|---|---|

A. | s^{2} + 15s + 56.25 | 1. | Undamped |

B. | s^{2} + 5s + 6 | 2. | Underdamped |

C. | s^{2} + 20.25 | 3. | Critically damped |

D. | s^{2} + 4.55s + 42.25 | 4. | Overdamped |

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

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

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

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

⇒ What is the length of SP (Stack pointer) of 8085 μp?

6 bits

8 bits

12 bits

16 bits

⇒ In a DM system, the granular noise occurs when modulating signal

decrease Rapidly

increase

has high frequency component

change within step size

⇒ Resistivity of metals consists of two parts, one part constant and the other temperature dependent.

TRUE

FALSE

⇒ Nyquist stability criterion uses open loop frequency response characteristics.

TRUE

FALSE

⇒ A constant

*k*high pass p section has a characteristic impedance of 300 Ω at

*f*= ∞ . At

*f*=

*f*

_{c}, the characteristic impedance will be

zero

∞

300 Ω

more than 300 Ω

⇒ In force voltage analogy the quantity analogous to spring constant K is

R

C

L

1/C

⇒ The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The input signal-to noise ratio is

2

10

20

100

⇒ The number of distinct Boolean expression of 4 variables is

16

256

1024

65536

⇒ An RC coupled amplifier has an open loop gain of 200 and a lower cutoff frequency of 50 Hz. If negative feedback with β = 0.1 is used, the lower cut off frequency will be

about 50 Hz

about 5 Hz

about 2.38 Hz

about 70.5 Hz

⇒ The resonance frequency of the circui

5.4 K

*n*

_{2}

4.5 K

*n*

_{2}

5 K

*n*

_{2}

∞

⇒ The advantage of modified series inverter with two inductors and two capacitors is

the intermittent operation of battery is avoided

efficiency of circuit is more

the output frequency is low

all of the above

⇒ In a 4 input OR gate, the total number of High outputs for the 16 input states are

16

15

14

13

⇒ Energy density function is always

even

odd

neither even nor odd

both (a) and (b)

⇒ In colour TV system the colour sub carrier frequency is 4.43 MHz.

TRUE

FALSE

⇒ A 4 input AND gate is equivalent to

4 switches in parallel

2 switches in series and 2 in parallel

three switches in parallel and one in series

4 switches in series

⇒ A P-channel MOSFET operating in the enhancement mode is characterized by V

_{t}= - 4 V and I

_{DQ}= - 10 mA, when V

_{GSQ}= - 5.5 V, what will be V

_{GSQ}if I

_{DQ}= -15 mA and I

_{D, on}= - 16 mA

- 2 V

3 V

0.13 V

1.3 V