Hi students, Welcome to Amans Maths Blogs (AMBIPi). Are you preparing for SSC Scientific Assistant and looking for SSC Scientific Assistant IMD Electronic Questions 241 to 260 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 Scientific Assistant IMD Electronic Question No: 241
What type of logic circuit is represented by the given figure below
Option A : NOR gate
Option B : XNOR gate
Option C : AND gate
Option D : OR gate
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Option A : NOR gate
SSC Scientific Assistant IMD Electronic Question No: 242
A 4 bit uniform quantization PCM system can attain a signal ranging from -2 to +2 V. The ms value of the signal 0.5 V. What is the signal to quantization noise ratio ?
Option A : 30 dB
Option B : 46.91 dB
Option C : 25.84 dB
Option D : 40 dB
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Option C : 25.84 dB
SSC Scientific Assistant IMD Electronic Question No: 243
Quantization is a ______ and a/an ______ process
Option A : Non-linear and Irreversible
Option B : Linear and irreversible
Option C : Non-linear and reversible
Option D : Linear and reversible
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Option D : Right to education
SSC Scientific Assistant IMD Electronic Question No: 244
If the current flowing in the antenna is 17 A which radiates a signal of power 15.028 kW, then what will be the radiation resistance (in ohms ) of the antenna ?
Option A : 3.2
Option B : 5.2
Option C : 32
Option D : 52
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Option D : 52
SSC Scientific Assistant IMD Electronic Question Paper No: 245
The antenna current of an AM transmitter is 6 A. Determine the antenna current of the transmitter when the percent of modulation changes to 0.4.
Option A : 9.19 A
Option B : 7.56 A
Option C : 6.23 A
Option D : 9.91 A
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Option C : 6.23 A
SSC Scientific Assistant IMD Electronic Question No: 246
Calculate the speed of the capacity of the channel (in Mbps) when the TV picture is transmitted over a channel of with 25 dB S/N ratio
Option A : 72 Mbps
Option B : 27 Mbps
Option C : 92 Mbps
Option D : 74.4 Mbps
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Option D : 74.4 Mbps
SSC Scientific Assistant IMD Electronic Question No: 247
In delta modulation system, the granular noise is produced by which of the following ?
Option A : Pulse rate decrease
Option B : Pulse amplitude decreases
Option C : Modulating signals increases
Option D : Modulating signals remains constant
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Option D : Modulating signals remains constant
SSC Scientific Assistant IMD Electronic Question Paper No: 248
Which among the following transmits the data samples over a single channel ?
Option A : TDM
Option B : FDM
Option C : PCM
Option D : PTM
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Option A : TDM
SSC Scientific Assistant IMD Electronic Question Paper No: 249
Which signal is generated by using a mono stadium multivibrator ?
Option A : PCM
Option B : TDM
Option C : PAM
Option D : PWM
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Option A : PCM
SSC Scientific Assistant IMD Electronic: 250
Which filter is used to detect the PAM signal ?
Option A : Low pass filter
Option B : High pass filter
Option C : Band pass filter
Option D : All band pass filter
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Option A : Low pass filter
SSC Scientific Assistant IMD Electronic Question No: 251
Find the 2’s compliment of 8 bit number that is represented as 28 in decimal number system
Option A : 11010110
Option B : 11100100
Option C : 000111001
Option D : 11100010
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Option B : 11100100
SSC Scientific Assistant IMD Electronic Question No: 252
Pilot carrier in SSB modulation is used for
Option A : To provide better noise immunity
Option B : Low power consumption
Option C : Frequency stability
Option D : Reduction of carrier frequency
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Option C : Frequency stability
SSC Scientific Assistant IMD Electronic Question No: 253
FSK modulation is mostly applied in
Option A : Telegraphy
Option B : Fiber Transmission Line
Option C : Wave guide
Option D : Tuned circuit
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Option B : Telegraphy
SSC Scientific Assistant IMD Electronic Question No: 254
Pre-emphasis circuit in FM transmitter is used
Option A : to increase the bandwidth of a side band
Option B : to improve the signal to noise ratio at low audio frequencies
Option C : to improve the signal to noise ratio at a high audio frequencies
Option D : to increase to carrier power
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Option C : to improve the signal to noise ration at a high audio frequencies
SSC Scientific Assistant IMD Electronic Question Paper No: 255
Arrange the following components sequentially from the output to input in a super heterodyne receiver.
i. Antenna
ii. IF amplifier
iii. Mixer
iv. Audio amplifier
Option A : i , ii , iii and iv
Option B : iv , iii , ii and i
Option C : i , iii , iv and ii
Option D : iv , ii , iii and i
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Option B : iv , ii , iii and i
Previous Year Paper SSC Scientific Assistant IMD Electronic Question No: 256
The auto correction function of white noise is represented as ________?
Option A : uniform
Option B : delta
Option C : gaussian
Option D : non-uniform
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Option B : delta
SSC Scientific Assistant IMD Electronic Question No: 257
Optical fiber operates in
Option A : Visible light band
Option B : Ultraviolet band
Option C : Infra red band
Option D : Ultraviolet , visible and infrared band
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Option D : Ultraviolet , visible and infrared band
Previous Year SSC Scientific Assistant IMD Electronic Question Paper No: 258
The output of source encoder is
Option A : An analog signal
Option B : Sequence of binary digits
Option C : A digital signal
Option D : A triangular wave
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Option B : Sequence of binary digits
SSC Scientific Assistant IMD Electronic Question Paper No: 259
In a parallel RL circuit, the current always ________ the applied voltage.
Option A : leads
Option B : lags
Option C : remains in phase with
Option D : None of these
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Option B : lags
Previous Year Question SSC Scientific Assistant IMD Electronic: 260
Which modulator is used for the generation of DSB-SC signal ?
Option A : Balanced modulator
Option B : Square law modulator
Option C : Armstrong phase modulator
Option D : Envelop detector
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Option A : Balanced Modulator
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| 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 | |
