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Q1. | Maximum power transfer theorem finds application in |

A. | power circuits [Wrong Answer] |

B. | distribution circuits [Wrong Answer] |

C. | communication circuits [Correct Answer] |

D. | both power and communication circuits [Wrong Answer] |

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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 :**

⇒ Program counter in a digital computer

counts the number of programs run in the machine

counts the number of times a subroutine

counts the number of time the loops are executed

points the memory address of the current or the next instruction

⇒ A current 10 sin (200

*t*) A flows through a 5 mH inductance. The expression for voltage is

10 sin (200

*t*+ 90°)

10 sin (200

*t*- 90°)

10 sin(1000

*t*+ 90°)

10 sin (1000

*t*- 90°)

⇒ The interface chip for 8086 and 16 bit ADC is

8259

8255

8253

8251

⇒ A magnet does not attract

nickel

iron

copper

iron and copper

⇒ In the circuit shown the voltage V

_{s}has a phase angle of __________ with respect to V

_{L120°60 °-90 °0°}

⇒ Three Mod-16 counters are connected in cascade. The maximum counting range is

16

256

4096

none of the above

⇒ "Micro-programming" is a technique

for programming the microprocessors

for writing small programs efficiently

for programming the control steps of a computer

for programming output/input

⇒ If

*f*(

*t*) = -

*f*(-

*t*) and

*f*(

*t*) satisfies Dirichlet conditions, then

*f*(

*t*) can be expanded in Fourier series having

sine terms only

cosine terms only

cosine and constant terms

sine and constant term

⇒ Ferromagnetic materials exhibit

a linear B-H behaviour

a non-linear B-H behaviour

an exponential B-H behaviour

none of the above

⇒ Which one of the following is applicable to any network-linear or non-linear, active or passive, time-varying or invariant - as long as Kirchhoff laws are

*not*violated?

Tellegen's theorem

Reciprocity theorem

Maximum power transfer theorem

Superposition theorem

⇒ The total insulation resistance consists of insulation volume resistance and surface leakage resistance.

TRUE

FALSE

⇒ Commercial ECL gates use two ground lines and one negative supply to

reduce power consumption

increase fan out

reduce loading effect

eliminate the effect of power line glitches on the biasing circuit

⇒

**Assertion (A):** Field emission is substantially independent of temperature.

**Reason (R):** When a high electric field is created at metal surface field emission may occur.

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

Both A and R are true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

⇒ In waveguides the existing waves are

TE only

TM only

both (a) and (b)

all of the above

⇒ Which one of the systems described by the following I/P - O/P relations is time invariant

*y*(

*n*) =

*n*

*x*(

*n*)

*y*(

*n*) =

*x*(

*n*) -

*x*(

*n*- 1)

*y*(

*n*) =

*x*(-

*n*)

*y*(

*n*) =

*x*(

*n*) cos 2p

*f*

_{0}

*n*

⇒

Match the following:

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

A. | Digital counter | 1. | Measurement of harmonics |

B. | Schering Bridge | 2. | Measurement of frequency |

C. | Meggar | 3. | Measurement of loss angle of dielectric |

D. | Spectrum analyser | 4. | Measurement of insulation resistance |

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

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

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

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

⇒ The standard FORTRAN exponential form of decimal number - 0.000000023 is

2.3 E - 8

-2.3 E - 8

2.3 E - 7

-2.3 E - 7

⇒ The derating factor, for ambient temperature higher than specified, for a transistor is about

2.5 mW/°C

0.5 mW/°C

10 mW/°C

20 mW/°C

⇒ In case of probability of the message is 1 to 16 then the information will be

16 bits

8 bits

4 bits

2 bits

⇒ A single mode fibre not suffer from which type of dispersion?

Waveguide dispersion

Material dispersion

Intermodal dispersion

Polarization mode dispersion

⇒ A delta modulation system is designed to operate at 3 times the Nyquist rate for a signal with a 3 KHz bandwidth. The quantization step size is 250 mv. The maximum amplitude of a 1 KHz input sinusoidal for which the delta modulator does not show slope overload is :

716.2 mV

500 mV

647.87 mV

400 mV

⇒ Which of the following can provide a digital signal?

Slow change in the value of a resister

Sine wave

Square wave

Gradual turning of a potentiometer

⇒ A computer program is used to read N and print the sum 1

^{2}+ 2

^{2}+ 3

^{2}+.....+ N

^{2}. If N = 10, the print out will show the number

100

10

385

285

⇒ The disadvantage of FET over BJT is

poor high frequency performance

low power-handling ability

low values of voltage gain

all of the above

⇒ The purpose of incorporating a pre-selector stage in a receiver is to

provide higher selectivity

provide higher fidelity

improve linearity

larger passband

⇒ In a ferromagnetic material, the internal field seen by a dipole is

equal to applied field

equal to applied field minus a contribution from neighbouring dipoles

equal to applied field plus a contribution from neighbouring dipoles

equal to or less than applied field

⇒ In equally tampered musical scale, an octave is divided into

12 intervals

10 intervals

7 intervals

5 intervals

⇒ In a system an input resistance of 20 kΩ causes a noise voltage of 15μV. If two such input resistances each of 20 kΩ are used in parallel, the total noise voltage will be about

15 μV

30 μV

7.5 μV

10.6 μV

⇒ The 8086 arithmetic instruction work on

- signed and unsigned numbers
- ASCII data
- unpacked BCD data

1 and 2

1 and 3

2 and 3

1, 2 and 3

⇒

**Assertion (A):** A ballistic galvanometer is used to measure charge.

**Reason (R):** In a flux meter, the damping is large.

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

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

A is true R is false

A is false R is true