Hi students, Welcome to Amans Maths Blogs (AMBIPi). Are you preparing for SSC Scientific Assistant and looking for SSC Scientific Assistant Electronics Questions 21 to 40 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 Electronics Question No: 21
Which of the following has the equal root mean square voltage and peak voltage ?
Option A : Saw tooth wave
Option B : Sinusoidal wave
Option C : Square wane
Option D : Triangular wave
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Option C : Square Wave
SSC Scientific Assistant Electronics Question No: 22
If a resistive wave is load is supplied by a source in which the voltage and the current both have frequency of 110 Hz, the frequency of instantaneous power is ______.
Option A : 50 Hz
Option B : 55 Hz
Option C : 110 Hz
Option D : 220 Hz
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Option A : 220 Hz
SSC Scientific Assistant Electronics Question No: 23
Determine the current through 2 Ohms resistance in the following circuit ?
Option A : 2 A
Option B : 2.5 A
Option C : 3 A
Option D : 3.5 A
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Option B : 2.5 A
SSC Scientific Assistant Electronics Question No: 24
The Northern theorem reduces a circuit to which of the following circuits ?
Option A : A current source only
Option B : A current source with an impedance with parallel
Option C : A current source with an impedance series
Option D : A voltage source only
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Option B : A current source with an impedance parallel
SSC Scientific Assistant Electronics Question Paper No: 25
Calculate the Thevenin’s equivalent voltage (in V) between A and B when all the resistances are in Ohms.
Option A : 1.5
Option B : 3
Option C : 4.5
Option D : 6
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Option D : 6
SSC Scientific Assistant Electronics Question No: 26
What is the amount of charge stored (in C) in a capacitor having capacitance of 0.0008 F and a voltage of .16 V applied across it ?
Option A : 0.0005
Option B : 0.0008
Option C : 0.64
Option D : 0.128
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Option D : 0.128
SSC Scientific Assistant Electronics Question No: 27
What is the approximate value of the capacitance ( in Farad) of earth if ( radius = 64,00 km )?
Option A : 0.000007
Option B : 0.000007
Option C : 0.00007
Option D : 0.0007
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Option C : 0.00007
SSC Scientific Assistant Electronics Question Paper No: 28
What is the power dissipation (in W) in an ideal inductor having an inductance of 0.2 H ?
Option A : – 0.04
Option B : – 0.2
Option C : 0
Option D : 0.04
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Option C : 0
SSC Scientific Assistant Electronics Paper No: 29
Calculate the peak value of the source voltage (in V). If the root mean square voltage across the resistor and inductor in a series RL circuit 13 V and 12 V, respectively.
Option A : 1
Option B : 17.68
Option C : 25
Option D : 35.35
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Option D : 35.35
SSC Scientific Assistant Electronics Previous Year Question: 30
Calculate the admittance (in Siemens) of a series RC circuit having resistance of 15 Ohms and capacitance of 0.1 mF which is supplied by a source having frequency of 50 Hz.
Option A : 0.03
Option B : 0.3
Option C : 30
Option D : 3
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Option B : 0.3
SSC Scientific Assistant Electronics Question No: 31
Calculate the power factor of the series RL circuit having the conductance of 30 Siemens and the Susceptance of Siemens.
Option A : 0.2
Option B : 0.4
Option C : 0.6
Option D : 0.8
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Option C : 0.6
SSC Scientific Assistant Electronics Question No: 32
Which of the following is “TRUE” in case of the admittance of a circuit ?
Option A : It is the measure of flow of current which is allowed by circuit
Option B : It is measure of voltage supplied to the circuit
Option C : It is the measure of resistance offered by the circuit
Option D : It is the measure of the power dissipated in the circuit
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Option A : It is the measure of flow of current which is allowed by circuit
SSC Scientific Assistant Electronics Question No: 33
In the following circuit, calculate the value of resistance R3 (in Ohms ) in the star circuit if the equivalent delta circuit has resistance values in ohms.
Option A : 1
Option B : 2
Option C : 3
Option D : 4
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Option B : 2
SSC Scientific Assistant Electronics Question No: 34
What is the quality factor of a series RLC circuit having resistance, capacitance and inductance of 10 ohms, 90 mH and 0.1 mF respectively ?
Option A : 0.3
Option B : 0.9
Option C : 3
Option D : 9
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Option C : 3
SSC Scientific Assistant Electronics Question Paper No: 35
Calculate the resonant frequency (in radians / sec) of a series RLC circuit having resistance of 15 Ohms and inductance of 25 mH.
Option A : 159.155
Option B : 318.31
Option C : 636.62
Option D : 1273.24
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Option B : 318.31
SSC IMD Scientific Assistant Previous Year Paper Question No: 36
A star connected network consumes 1.8 kW at 0.05 lagging power factor when connected to a 230 V, 50 hZ source. Calculate the per phase impedance (in Ohms) of the star network .
Option A : 2.8
Option B : 3.6
Option C : 7.4
Option D :14.7
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Option D : 14.7
SSC Scientific Assistant Electronics Question No: 37
A delta connected load has phase current of 5 A and has equal phase impedance of (12 + j5) Ohms. Calculate the value of line voltage (in Volts) supplying a delta connected load.
Option A : 112.58
Option B : 200
Option C : 220
Option D : 225.16
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Option A : 112.58
SSC Scientific Assistant Electronics Question Paper No: 38
If a star network has 3 equal resistance of 80 Ohms, calculate the equivalent delta network resistance, (in Ohms) in each phase ?
Option A : 26.67
Option B : 80
Option C : 160
Option D : 240
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Option D : 240
SSC Scientific Assistant Electronics Paper No: 39
Which of the following values must be same for the balanced three phase circuit ?
I Impedance
II Resistance
III Reactance
IV Power Factor
Option A : Only (I)
Option B : Only (II)
Option C : Only (III) and (IV)
Option D : (I) , (II) , (III) , (IV)
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Option D : (I) , (II) , (III) , (IV)
SSC Scientific Assistant Electronics Previous Year Question: 40
Which of the following Boolean expression expresses the logic condition if “A = 1 and B = 0 or A = 0 and B = 1, only than the output Y = 0”?
Option A : Y = AB + BA
Option B : Y = AB + BA
Option C : Y = AB + AB
Option D : Y = AB + BA
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Option A : Y = AB + BA
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SSC General Intelligence Previous Year Questions | 1 to 20 | 21 to 40 | 41 to 60 | 61 to 75 |
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