Home > SSC Scientific Assistant > SSC Scientific Assistant Electronics Previous Year Questions 281 to 295 AMBIPi

SSC Scientific Assistant Electronics Previous Year Questions 281 to 295 AMBIPi

Hi students, Welcome to Amans Maths Blogs (AMBIPi). Are you preparing for SSC Scientific Assistant and looking for SSC Scientific Scientific Assistant Electronics 281 to 295 with Answer Keys? In this article, you will get previous year questions of SSC Scientific Assistant IMD (Indian Meteorological Department), which helps you in the preparation of government job of SSC IMD Scientific assistant.

SSC Scientific Assistant IMD Previous Year Questions

Scientific Assistant Electronics Question No: 281

Which of the following are the following advantages of Yagi antenna ?

(i) it has gain to allow lower strength

(ii) the antenna becomes strong for high gain levels

(iii) it can be easily mounted

(iv) it is mechanically relatively straight forward 

Option A : (i) , (iii) , and (iv)

Option B : (i) , (ii) and (iv)

Option C : (i) , (iii) and (iv)

Option D : Only (ii)

Show/Hide Answer Key

Option C : (i) , (iii) and (iv)

Scientific Assistant Electronics Question No: 282

The propagation of radio wave signals through reflection from ionosphere is known as ______

Option A : Sky wave propagation

Option B : Ground wave propagation

Option C : Space wave propagation 

Option DTropospheric wave propagation

Show/Hide Answer Key

Option A : Sky wave propagation

Scientific Assistant Electronics Question No: 283

Which array uses two half wave dipoles spaced along with one-half wavelength apart ?

Option A : Broad-end array

Option B : End-fire array

Option C : Black-fire array

Option D : Binomial array

Show/Hide Answer Key

Option B : End-fire array

Scientific Assistant Electronics Question No: 284

Broadside antenna array is ______ in nature and has ______ gain.

Option A : Unidirectional and low

Option B : Multidirectional and very low

Option C : Bidirectional and high

Option D : Both unidirectional and multidirectional

Show/Hide Answer Key

Option C : Bidirectional and high

Scientific Assistant Electronics Question Paper No: 285

What is the maximum distance up to which the TV transmission can be received if the height of a TV broadcasting tower ids 85 meter ? (Radius of earth = 6,400,000 m)

Option A : 62 km

Option B : 31 km

Option C : 32.98 km

Option D : 30 km

Show/Hide Answer Key

Option C : 32.98 km

Scientific Assistant Electronics Question No: 286

Calculate the radiation resistance of an antenna length λ/8 (λ is the wavelength )

Option A : 10

Option B : 8

Option C : 12.33

Option D : 12.8

Show/Hide Answer Key

Option C : 12.33

Scientific Assistant Electronics Question No: 287

In which of the following the phases of the carrier wave changes in accordance with intensity of light.

Option A : AM

Option B : PM

Option C : FM

Option D : PAM

Show/Hide Answer Key

Option B : PM

Scientific Assistant Electronics Paper No: 288

VSB modulation is termed as ______

Option A : Vestigial side band

Option B : Vertical side band

Option C : Single side band 

Option D : Variable side band

Show/Hide Answer Key

Option A : Vestigial Side Band

Scientific Assistant Electronics Question Paper No: 289

Which of the following is/are the advantages of DSB-SC over SSB-SC ?

(I) It has lower power consumption

(II) It needs half of the bandwidth

(III) It is used for transmitting stereo information

(IV) It has two sides brands with no carrier

Option A : (I) only

Option B : (I) , (II) and (IV)

Option C : (I) , (III) and (IV)

Option D : (II) only

Show/Hide Answer Key

Option C : (I) , (III) and (IV)

Previous Year Question Scientific Assistant Electronics: 290

What is the main advantage of parabolic antenna ?

Option A : High directivity

Option B : Wide bandwidth

Option C : Small wavelength

Option D : Low directivity

Show/Hide Answer Key

Option A : High directivity

Scientific Assistant Electronics Question No: 291

For an amplitude modulated wave , he maximum amplitude is found to be 20 V while the minimum amplitude to be 4.5 V. Calculate the modulation index 

Option A : 0.62 

Option B : 0.67

Option C : 0.26

Option D : 0.632

Show/Hide Answer Key

Option D : 0.632

Scientific Assistant Electronics Question No: 292

Modulation index is generally kept  ______ .

Option A : Less than 1

Option B : Greater than 1 

Option C : Equal to 1 

Option D : 0

Show/Hide Answer Key

Option A : Less than 1

Scientific Assistant Electronics Question No: 293

Which of the following modulations has higher bandwidth among the others ?

Option A : PCM

Option B : DM

Option C : ADM

Option D : DPCM

Show/Hide Answer Key

Option A : PCM

Scientific Assistant Electronics Question No: 294

Encoding technique is selected on the basis of 

(i) Efficiency

(ii) Error

(iii) Power level

Option A : only (i)

Option B : only (ii)

Option C : only (iii)

Option D : (i), (ii) , and (iii)

Show/Hide Answer Key

Option D : (i) , (ii) and (iii)

Scientific Assistant Electronics Question Paper No: 295

The current of resonance in RLC series circuit is ______

Option A : Maximum

Option B : Minimum

Option C : Zero

Option D : Infinite

Show/Hide Answer Key

Option A : Maximum

Know About SSC Scientific Assistant: Click Here.

Get SSC Scientific Assistant Previous Year Questions.

SSC Scientific Assistant Previous Year Questions Bank
SSC General Intelligence Previous Year Questions
| 1 to 20 | 21 to 40 | 41 to 60 | 61 to 75
SSC General Awareness Previous Year Questions
| 1 to 20 | 21 to 40 | 41 to 60 | 61 to 75
SSC Computer Science Previous Year Questions
| 1 to 20 | 21 to 40 | 41 to 60 | 61 to 80 | 81 to 100
| 101 to 120 | 121 to 140 | 141 to 160| 161 to 180 | 181 to 200
SSC Quantitative Aptitude Previous Year Questions
| 1 to 20 | 21 to 40 | 41 to 60 | 61 to 75
SSC Physics Previous Year Questions
| 1 to 20 | 21 to 40 | 41 to 60 | 61 to 80 | 81 to 100
SSC Electronics Previous Year Questions
| 1 to 20 | 21 to 40 | 41 to 60 | 61 to 80 | 81 to 100
101 to 120 | 121 to 140 | 141 to 160 | 161 to 180 | 181 to 200 |
201 to 220 | 221 to 240 | 241 to 260 | 261 to 280 | 281 to 295 |

Leave a Reply

error: Content is protected !!