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. | An ammeter of 0-25 A range has a guaranteed accuracy of 1% of full scale reading. The current measured is 5 A. The limiting error is |

A. | 0.02 [Wrong Answer] |

B. | 0.025 [Wrong Answer] |

C. | 0.04 [Wrong Answer] |

D. | 0.05 [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss 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 :**

⇒ What was the first commercial geostationary communication satellite?

INTELSAT 1

ECHO

INSAT-1A

SPUTNIK

⇒ The static electric field in a conductor is

zero

unity

infinity

none of the above

⇒ For real and odd signals, the Fourier series coefficient

*a*is

_{n}purely imaginary

purely real and even

purely imaginary and odd

purely real and odd

⇒ Calculate the electrostatic force of repulsion between two mica particles at a distance of 10

^{-13}

*m*from each other. Charge on a particle is 3.2 x 10

^{-19}C. (relative permittivity for mica is 5)

1.843 x 10

^{-15}N

9.2 x 10

^{-2}N

14.41 x 10

^{-9}N

none of these

⇒ An electron (charge -

*e*) is rotating in a circular orbit of radius R, around a proton with charge +

*e*at a constant angular velocity ω. The orbital magnetic dipole moment is

0.5

*e*ω R

^{2}

*e*ω R

^{2}

2

*e*ω R

^{2}

0.5

*e*ω R

^{3}

⇒ The transient currents are due to

resistance of the circuit

impedance of the circuit

voltage applied to the circuit

changes in stored energy in inductors and capacitors

⇒ A digital voltmeter has a 4 1/2 digit display. The 1 V range can measure voltage up to

0.9999 V

1.9999 V

0.199 V

9.999 V

⇒ The number of flip-flops needed to divide the input frequency by 32 is

2

4

5

16

⇒ Power diodes are generally

silicon diodes

germanium diodes

either of the above

none of the above

⇒ Armstrong F.M. transmitter performs frequency multiplication in stages

to increase the overall S/N

for convenience

to reduce the bandwidth

to find the desired value of carrier frequency with frequency deviation

⇒ Two wires A and B have the same cross-section area and are made of the same material. R

_{A}= 600 Ω and R

_{B}= 100 Ω. The number of times A is longer than B is

6

2

4

5

⇒ A parallel plate capacitor has its length, width and separation doubled. It fringing effects are neglected, to keep the capacitance same, the dielectric constant must be

halved

kept the same

doubled

made 4 times

⇒

**Assertion (A):** PIN diode is used as a fast switch.

**Reason (R):** PIN diode has very high resistance when reverse biased and very low resistance when forward biased.

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 but R is wrong

A is wrong but R is correct

⇒

Match the following:

List I (Laws of Boolean) | List II (Relation algebra) | ||
---|---|---|---|

A. | Distributive law | 1. | x + x = x |

B. | DeMorgans law | 2. | x(y + z) = xy + xz |

C. | Idempotent law | 3. | (x) = x |

D. | Involution law | 4. | (x + y) = xy |

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

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

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

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

⇒ Satellite communication uses frequencies in the range of

3 to 6 GHz

3-10 MHZ

10-50 GHz

100-200 GHz

⇒ A 400 W carrier is modulated to a depth of 75 percent. The total power in modulated wave will be

38.5 W

400 W

512.5 W

615.5 W

⇒ The L/C has the dimension of

time

capacitance

velocity

resistance

⇒ In which function is each term known as minterm?

SOP

POS

Hybrid

Both SOP and POS

⇒ The constellation diagram of a modem has four states as shown in the figure given below. What is the bit rate of this mod

Two times its band rate

Four times its band rate

Same as band rate

Sufficient information is not given to give the answer

⇒ In a CE amplifier the dc load line is the same as ac load line when

ac collector resistance and dc collector resistance are equal

ac collector resistance and dc emitter resistance are equal

ac collector resistance is very high

ac collector resistance is one half of dc collector resistance

⇒ Which one the following is an advantage of AM over FM?

FM has wide bandwidth

FM has better

FM is more immune to noise

Probability of noise spike generation is less in AM

⇒ Antenna commonly used for microwave links are

loop antennas

log periodic antennas

paraboloidal dishes

rhombic antennas

⇒ 8085 data bus has 8 lines and is bidirectional.

TRUE

FALSE

⇒ In following figure find V

_{DSQ}by assuming gate current is negligible for the

*p*-channel JFET. (if I

_{DQ}= - 6 mA, R

_{S}= 0, V

_{DD}= -18 V, R

_{D}= 2 kΩ, I

_{DSS}= - 10 mA, I

_{PO}= - 3 V)

4 V

- 6 V

- 10 V

6 V

⇒ Figure represen

Esaki diode

Triac

Varactor

Gunn diode

⇒ Schrodinger wave equation is a

linear equation

differential equation

partial differential equation

none of the above

⇒ In figure, the curre

is 2 A from A to B

is 2 A from B to A

depends on the value of R

none of the above

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | C | 1. | 7 eV |

B. | Si | 2. | 1.15 eV |

C. | Ge | 3. | 0.75 eV |

D. | Sn | 4. | 0.1 eV |

E. | Pb | 5. | 0 eV |

A-2, B-3, C-4, D-5, E-1

A-1, B-2, C-3, D-4, E-5

A-3, B-1, C-2, D-5, E-4

A-4, B-5, C-1, D-2, E-3

⇒ A presettable counter with 4 flip flops can start counting from

0

1000

any number from 0000 to 1000

any number from 0000 to 1111

⇒ Soft iron is suitable for making temporary magnets.

TRUE

FALSE