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Q1. | The distributors for residential areas are |

A. | single phase [Wrong Answer] |

B. | three phase three wire [Wrong Answer] |

C. | three phase 4 wire [Correct Answer] |

D. | (a) or (b) [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 :**

⇒ Commercial Frequency deviation of FM is

70 kHz

75 kHz

80 kHz

65 kHz

⇒ If A = B = 1, the outputs P and Q in the given figure

P = Q = 0

P = 0, Q = 1

P = 1, Q = 0

P = Q = 1

⇒ Which of the following is wrong for a magic used to tee?

E and H arms are decoupled

coplanar arms are coupled

all ports are perfectly matched

A signal into coplanar arm splits equally between E and H arms

⇒ In high frequency region, an amplifier behaves like a

band pass filter

low pass filter

high pass filter

any of the above

⇒ An ohmmeter is a

moving coil instrument

moving iron instrument

dynamometer instrument

induction instrument

⇒ Quantization error occurs in

D/A converter

A/D converter

both D/A and A/D converter

neither D/A nor A/D converter

⇒ Which of the following statements defines a full adder?

It adds two binary digits and produces their SUM and CARRY

It adds three inputs (two binary digits and a carry) and produces their SUM and CARRY

It has two inputs and two outputs

None of the above

⇒ Two passive elements are connected in series and a dc voltage is applied to the circuit. The time variation of the current is shown in figure. The two elements

one resistance and the other inductance

both resistances

one inductance and the other capacitance

one resistance and the other capacitance

⇒ The multiplier resistance and meter coil in a voltmeter are in

series

parallel

series-parallel

either (a) or (b)

⇒ As the atoms of rare gases become larger, electronic polarizability

increases

decreases

remains the same

may increase or decrease

⇒ The terminals of a power MOSFET are called

emitter, base, collector

source, gate, drain

source, base, drain

emitter, gate, drain

⇒ Find L

_{eq}if each L is

4/3 H

1/3 H

2/3 H

3/2 D

⇒

Match the following:

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

A. | True type | 1. | Type of calculator in window |

B. | FIND | 2. | Window command |

C. | WORD PAD | 3. | Name of a Font |

D. | STANDARD | 4. | Has many features of a simple word processor |

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

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

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

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

⇒ The baud rate is

not equal to signalling rate

always equal to bit transfer rate

equal to twice the bandwidth of an ideal channel

equal to half the bandwidth of ideal channel

⇒ What will be conversion time of a successive approximation A/D converter which uses 2 MHz clock and 5 bit binary ladder containing 8 V reference.?

2.5 μ sec

25 μ sec

3 μ sec

4 μ sec

⇒ All inverters use forced commutation.

TRUE

FALSE

⇒

**Assertion (A):** A Darlington amplifier has very low output impedance

**Reason (R):** The circuit has a low resistance R_{E} between emitter and ground

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

Both A and R are correct but R is not correct explanation for A

A is correct R is wrong

A is wrong R is correct

⇒ A (A + B) =

A

B

A

B

⇒ 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 wavelength of an electromagnetic wave after reflection at angle on a surface

remains same as the wavelength perpendicular to the surface

remains same in the free space

increases in actual direction of propagation

decreases in actual direction of propagation

⇒ The SCR would be turned OFF by voltage reversal of applied anode-cathode ac supply of frequency of

30 kHz

15 kHz

5 kHz

20 kHz

⇒ The speed transducer using a drag cup rotor has the main advantage of

very high accuracy

low energy requirement

cheap construction

all of the above

⇒ The transfer function V

_{2}/V

_{1}for figure

a zero at origin

a zero at infinity

no zero

a zero at

*j*1

⇒ Out of the three transforms viz. Z-transform, Laplace transform and Fourier transform

all three are used in continuous time domain

all three are used in both continuous time domain and discrete time domain

Z transform is used in continuous time domain while Laplace and Fourier transforms are used in discrete time domain

Z transform is used is discrete time domain while Laplace and Fourier transforms are used in continuous time domain

⇒ A crowbar circuit is generally needed for protection under fault conditions.

TRUE

FALSE

⇒ A dynamometer wattmeter can be used for

dc only

ac only

dc and 50 Hz ac

dc and high frequency ac

⇒ An RC impadence function has a pole at

*s*= 0. The first element in the Foster form of synthesis

is R

may be R and C

is C

is R and C in parallel

⇒ The main advantage of TDM over FDM is

TDM requires more bandwidth than FDM

less complicated in hardware than FDM

better SNR

required filter

⇒ If poles lie in first quadrant, damping ratio is

1

more than 1

less than 1

zero

⇒ Two current sources each of rms value 10 A have frequencies 40 Hz and 50 Hz respectively. They are connected in series, the expression for resultant wave is

*i*= 10 sin 40

*t*+ 10 sin 50

*t*

*i*= 14.14 sin 40

*t*+ 14.14 sin 50

*t*

*i*= 14.14 sin 80 p

*t*+ 14.14 sin 100 p

*t*

*i*= 20 sin 80 p

*t*+ 20 sin 100 p

*t*