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. | Dielectric constant and conductivity of rocky soil and flat sandy soil are around |

A. | 10 and 20 mho/cm respectively [Correct Answer] |

B. | 20 and 10 mho/cm respectively [Wrong Answer] |

C. | 2 and 5 mho/cm respectively [Wrong Answer] |

D. | 0.5 and 2 mho/cm respectively [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 :**

⇒ A video monitor is exactly similar to TV receiver.

TRUE

FALSE

⇒ A voltage of 9 V is applied in forward direction to a semiconductor diode in series with a load resistance of 1000 Ω. The voltage across the load resistance is zero. It indicates that

diode is short circuited

diode is open circuited

resistor is open circuited

diode is either o.c or s.c

⇒ Cells are connected in series to increase

current-rating

both voltage and current rating

the life of cell

voltage rating

⇒ Consider the following DO statement in FORTRAN 77

6

1

8

⇒ The access time of ROM using bipolar transistors is about

1 sec

1 mili sec

1 μ sec

1 n sec

⇒ When the mains supply is switched off the contents of primary computer memory are lost.

TRUE

FALSE

⇒ In radio receiver, the maximum contribution to noise is from

mixer stage

power supply

power amplifier

equally from above three

⇒ Schottky clamping is resorted to in TTL gates

to reduce propagation delay

to increase noise margin

to increase packing density

to increase fan out

⇒ Power transistors are invariably provided with

soldered connections

heat sink

metallic casing

none of the above

⇒ In order to rectify sinusoidal signals of millivolt range (< 0.6 V)

bridge rectifier using diodes can be employed

full wave diode rectifier can be used

a diode is to be inserted in the feedback loop of an op-amp

a diode is to be inserted in the I/P of an op-amp

⇒ For the circuit shown in the figure, the capacitor C is initially uncharged. At

*t*= 0, the switch S is closed. The voltage V

_{c}across the capacitor at

*t*= 1 millisecond is (In the figure shown above, the op-amp is supplied with ± 15 V and the ground has been shown by the sym

0 V

6.3 V

9.45 volts

10 volts

⇒ Microwaves are used for

telephony

radio broadcast

TV systems

all of the above

⇒ For a bit rate of 8 kbps, the best possible values of the transmitted frequencies in a coherent binary FSK system are

16 kHz and 20 kHz

20 kHz and 32 kHz

20 kHz and 40 kHz

32 kHz and 40 kHz

⇒ In figure, a voltmeter of internal resistance 1200 Ω is connected across 600 Ω resistance and it reads 5 V. The value of

1200 Ω

2400 Ω

3600 Ω

7200 Ω

⇒ In figure the dc load line will meet the

*y*and

*x*axis respectivel

20 mA and 30 V

15 mA and 20 V

25 mA and 40 V

10 mA and 20 V

⇒ A two branch tuned circuit has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. If R is increased, the dynamic resistance

decreases

increases

remains constant

may increases or decreases

⇒ In a channel voice coder, the outputs of sixteen 20 Hz low pass filters are sampled, multiplexed and A/D converted. If sampling is at 40 samples/second and 3 bits/sample represents each voltage sample, the bit rate is about

1.9 k bits/sec

0.95 k bits/sec

3.8 k bits/sec

7.6 k bits/sec

⇒ Satellite communication systems use the frequency band

10 to 20 MHz

50 to 70 MHz

3 to 6 GHz

100 to 120 GHz

⇒ The minimum number of comparators required to build an 8 bit flash ADC is

8

63

255

256

⇒ An RC oscillator uses

one RC combination

two RC combinations

at least three RC combinations

either (a) or (b)

⇒ Electric dipole moment is usually expressed in debye units. Here, 1 debye unit equals

3.33 x 10

^{-30}C-

*m*

3.33 x 10

^{-30}C-

*m*

^{2}

3.30 x 10

^{-10}C-

*m*

3.33 x 10

^{-10}C-

*m*

^{2}

⇒ The Nyquist plo

will start from (ω = ∞) in the first quadrant and will terminate (ω = 0) in the second quadrant

will start from (ω = ∞) in the fourth quadrant and will terminate (ω = 0) in the second quadrant

will start form (ω = ∞) in the second quadrant and will terminate (ω = 0) in the fourth quadrant

will start from (ω = ∞) in the first quadrant and will terminate (ω = 0) in the fourth quadrant

⇒ If A = 3 +

*j*1 and B = 4 +

*j*3, A - B =

8.062 ∠29.7°

10 ∠45°

2.236 ∠243.43°

6.72 ∠243.43°

⇒ His rather casual remarks on politics __________ his lack of seriousness about the subject.

masked

belied

cherish

conserve

⇒ 2's complement representation of a 16 bit number (one sign bit and 15 magnitude bits) is FFFF. Its magnitude in decimal representation is

0

1

32, 767

65, 535

⇒ The force in a magnetic field is given by F =

*qv*B

F and

*q*are perpendicular and

*v*and B are perpendicular

F and

*q*only are perpendicular to each other

F and

*v*, F and B are mutually perpendicular to each other and

*v*and B at any angle between them

All the four components are perpendicular to each other

⇒ With reference to C programming language, which of the following statements are correct?

- An identifier may start with an underscore.
- An identifier may end with an underscore.
- If is a valid identifier.
- The number of significant characters in and identifier is implementation dependent.

1 and 2 only

2 and 3 only

1, 2, 3 and 4

3 and 4 only

⇒ Tape recorders use

cone type loudspeakers

horn type loudspeakers

either cone type or horn type loudspeakers

none of the above

⇒ If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

a larger floating point number

a smaller floating point number

either (a) or (b) depending on the actual number

a negative floating point number

⇒ Consider the following instruction of 8085 μp :

- MOV M, A
- AODC
- MVI A, FF
- CMP M

1 and 2

1, 2 and 3

3 and 4

2 and 4