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SSC IMD Scientific Assistant Electronics Questions 41 to 60 AMBIPi

Hi students, Welcome to Amans Maths Blogs (AMBIPi). Are you preparing for SSC Scientific Assistant and looking for SSC IMD Scientific Assistant Electronics Questions 41 to 60 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

SSC IMD Scientific Assistant Electronics Question No: 41

The given circuit can be reduced to which of the following gate ?

Option A : AND

Option B : NAND

Option C : NOR

Option D : XNOR

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Option D : XNOR

SSC IMD Scientific Assistant Electronics Question No: 42

What is the number of possibilities of low output from a 3- input OR gate ?

Option A : 1

Option B : 2

Option C : 4

Option D : 7

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Option A : 1

SSC IMD Scientific Assistant Electronics Question No: 43

What is the number of possibilities of low output from a 3- input AND gate ?

Option A : 1

Option B : 2

Option C : 4

Option D : 7

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Option D : 7

SSC IMD Scientific Assistant Electronics Question No: 44

The group of bits 01100 is serially shifted (right- most bit first ) into a 5 bits parallel output shift register with an initial state of 01011. What is the value contained in thee register after 2 cock pulses ?

Option A : {00001}

Option B : {00010}

Option C : {10001}

Option D : {1001}

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Option B : {00010}

SSC IMD Scientific Assistant Electronics Question Paper No: 45

What is the number of flip-flops required to produce a divided by 32 device ?

Option A : 4

Option B : 5

Option C : 6

Option D : 7

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Option B : 5

SSC IMD Scientific Assistant Electronics Question No: 46

What is the simplest expression for the K-map shown in the table given below. 

Option A : X = B + AC 

Option B : X = B + AC 

Option C : X = AC 

Option D : X = ABC + AC 

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Option A : 

SSC IMD Scientific Assistant Electronics Question No: 47

What s the resolution of a 0 – 5 V 16-BIT DAC ?

Option A : 0.0019

Option B : 0.0039

Option C : 0.0078

Option D : 0.0156

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Option A : 0.0019

SSC IMD Scientific Assistant Electronics Question Paper No: 48

Convert the binary number of 101011110 to octal.

Option A : 128

Option B : 184

Option C : 256

Option D : 312

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Option C : 256

SSC IMD Scientific Assistant Electronics Question Paper No: 49

Which of the following device gives the electromagnetic wave as a output when fed by a high frequency electric current ? 

Option A : Amplifier

Option B : Antenna

Option C : Loudspeaker

Option D : Microphone

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Option B : Antenna

SSC IMD Scientific Assistant Electronics Previous Year Question: 50

What is thee horizontal pointing angle of an antenna called ?

Option A : Azimuth

Option B : Angle of elevation

Option C : Angle of depreciation

Option D : Beam width 

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Option A : Azimuth

SSC IMD Scientific Assistant Electronics Question No: 51

Which of the following methods can be used to increase the antenna gain ?

Option A : Addition of several antennas in parallel 

Option B : Addition of several antennas in series

Option C : Increasing the thickness of antenna roads

Option D : Focusing radiated energy in one desired directions

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Option D : Focusing one radiated energy in one desired directions

SSC IMD Scientific Assistant Electronics Question No: 52

A dipole antenna has a radiation resistance of 3 Ohms and carries a current of 40 A. What is the value of power radiated by the antenna ( in kW) ?

Option A : 2.3

Option B : 3.8

Option C : 4.8

Option D : 5.3

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Option C : 4.8

SSC IMD Scientific Assistant Electronics Question No: 53

Which of the following is TRUE about an ungrounded antenna near the ground ?

Option A : It acts as a single antenna of twice the height.

Option B : It acts as a single antenna of half of the height.

Option C : It needs to be placed horizontally to perform actively.

Option D : It acts as an antenna array

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Option D : It acts as an antenna array

SSC IMD Scientific Assistant Electronics Question No: 54

Choose the frequency which lies in low frequency range.

Option A : 50 Hz

Option B : 5 kHz

Option C : 50 kHz

Option D : 5 MHz

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Option B : 50 kHz

SSC IMD Scientific Assistant Electronics Question Paper No: 55

What is the average range (in km) for radio wave propagation through VHF communication ?

Option A : 25

Option B : 50

Option C : 150

Option D : 200

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Option B : 50

SSC IMD Scientific Assistant Electronics Paper Question No: 56

Calculate the refractive index of a medium if it allows light to travel 200 meters in same time in which the light travels 320 meters in air ?

Option A : 0.625

Option B : 1

Option C : 1.6

Option D : 1.85

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Option C : 1.6

SSC IMD Scientific Assistant Electronics Question No: 57

Which of the following reasons is true for a radio path horizon to exceed the geometric path horizon in radio wave propagation ?

Option A : The radio wave skips the E- layer

Option B : The radio wave skips the D- layer

Option C : The radio wave skips the auroral

Option D : The radio wave can be bent

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Option D : The radio wave can be bent

SSC IMD Scientific Assistant Electronics Paper No: 58

What is the maximum reusable frequency (in kHz) of an HF signal , if its critical frequency has a value of 4064.64 kHz at 60 degree incidence ?

Option A : 2032.32

Option B : 2874.13

Option C : 5748.27

Option D : 8129.28

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Option D : 8129.28

SSC IMD Scientific Assistant Electronics Question Paper No: 59

Which among the following separates the oscillator from the load in a radio transmitter ?

Option A : Buffer

Option B : Comparator

Option C : Mixer

Option D : Oscillator

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Option A : Buffer

SSC IMD Scientific Assistant Electronics Previous Year Question : 60

What will be the modulation index of a modulated wave if the modulated peak value of a signal is 130 V and the unmodulated carrier peak value is 65 V ?

Option A : 0.13

Option B : 0.5

Option C : 1

Option D : 2

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Option D : 2

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