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Q1. | Most of the communication satellites are stationed to the West of their service areas in order to reduce their |

A. | eclipse period [Wrong Answer] |

B. | loss of power [Wrong Answer] |

C. | battery power provision [Correct Answer] |

D. | mass of station-keeping fuel [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 :**

⇒ In the above case the hexadecimal notation for the last memory location is

0

FFFF

3FFF

5FFF

⇒ For a series circuit of R and variable X

_{L}the admittance locus is

a semicircle in first quadrant

a semicircle in fourth quadrant

a straight line in first quadrant

a straight line in fourth quadrant

⇒ Find the odd one out

sweep voltage generator

multivibrators

sine wave oscillators

blocking oscillators

⇒ A rectifier circuit has load resistance R. It uses a capacitance filter having capacitance C. For low ripple in the output

RC should be 1

RC should be low

RC should be high

RC should be neither low nor high

⇒ Which of the following statements is/are true for the diamond structure?

- Coordination number is four.
- Packing fraction is 0.34
- Copper crystallizes into diamond structure
- Lattice is FCC.

1 only

1, 2 and 4

2 and 3 only

2, 3 and 4

⇒ Hall's effect can be used to measure

magnetic field intensity

average number of holes

carriers concentration

electrostatic field intensity

⇒ In a solar cell, the photovoltaic voltages is the voltage at which the resultant current is

positive

zero

negative

rated current

⇒ It is very likely in __________ gate family that when one gate is driving number of gates in __________ , a gate having least voltage for saturation may consume large __________ leaving other gates inoperative and this phenomenon is called __________ .

DTL, parallel, current, current - sinking

DCTL, parallel, current, current-lagging

ECL, series, voltage, voltage-deterioration

DCTL, series, current, current-lagging

⇒ If 137 + 276 = 435 how much is 731 + 672?

534

1403

1623

1513

⇒ In a series R, L, C circuit the impedance triangle is the same when X

_{L}< X

_{C}and X

_{L}> X

_{C}.

TRUE

FALSE

⇒ In the circuit of figure, the switch is closed at

*t*= 0 with

*i*

_{L}(0) = 0 and V

_{C}(0) = 0. In the steady state n

_{c}equ

100

*v*

0

*v*

∞

- 100

*v*

⇒ A single phase step up cycloconverter changes 50 Hz to 100 Hz. Then one half wave of input will give rise to

one half wave of output

one full wave of output

two full waves of output

either (b) or (c)

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

increases

decreases

remains the same

may increase or decrease

⇒ 'Burst refresh' in DRAM is also called

Concentrated refresh

Distributed refresh

Hidden refresh

None of the above

⇒ Maximum effective aperture of an antenna which is operating at a wavelength of 3 meters and has a directivity of 100

71.68 m

^{2}

716 m

^{2}

7.16 m

^{2}

71.6 m

^{2}

⇒ A 16 bit binary adder has

16 half adders

16 full adders

one half adders and 15 full adders

8 half adders and eight full adders

⇒ Which of the following is not a valid real constant in C?

1.2

*e*2.0

-2.3

*e*- 2

-2.3

*E*2

-2.3

*e*2

⇒ An RLC series circuit has a variable inductance. The value of L for resonance conditions at fundamental frequency is 0.18 H. For resonance conditions at third harmonic frequency the value of inductance is

0.54 H

0.06 H

0.02 H

1.62 H

⇒ The self bias provides

stable Q point

large voltage gain

high input impedance

high base current

⇒ An RLC series circuit is underdamped. To make it overdamped, the value of R

has to be increased

has to be decreased

has to be increased to infinity

has to be reduced to zero

⇒ Equipment using BCD numbers

pocket calculators

electronic counter

digital voltmeters

all of the above

⇒ The ideal characteristics of a stabilizer is

constant output voltage with low internal resistance

constant output current with low internal resistance

constant output voltage with high internal resistance

constant internal resistance and constant output current

⇒ The value of VSWR is taken as ∞ when the line is

short-circuited

open-circuited

terminated with full load

terminated with load equal to the characteristic impedance of the load

⇒ In the FM wave described by equation

*v*= 15 sin (4 x 10

^{8}

*t*+ 3 sin 1100

*t*), the carrier frequency and signal frequency respectively are

63.66 MHz and 175 Hz

4 x 10

^{8}Hz and 1100 Hz

175 Hz and 63.66 MHz

1100 Hz and 4 x 10

^{8}Hz

⇒ For generating 1 MHz frequency signal, the most suitable circuit is

phase shift oscillator

weinbridge oscillator

colpitt's oscillator

clapp oscillator

⇒ If A = 3 +

*j*1, A

^{4}

100 ∠18.43°

100 ∠73.72°

10 ∠18.43°

10 ∠73.72°

⇒ Which of the following integer expressions is correct in Pascal?

`- A + B + M `

` A div B * mod C `

`A - 4.0`

`A / B + D`

⇒ If

*e*= 110 sin (ω

*t*+ p/3) and

*i*= 5 sin (ω

*t*- p/3), the impedance of the circuit is

22 Ω

16 Ω

30.8 Ω

11 Ω

⇒ The current through a 10 Ω resistance in a dc circuit having two emf sources is 3A. If this resistance is changed to 20 Ω, the new value of current will be

less than 3 A

equal or less than 3 A

equal to or less or more than 3 A

1.5 A

⇒ The real part of complex frequency

*s*corresponds to oscillations.

TRUE

FALSE