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# SSC Scientific Assistant IMD Electronics Questions 221 to 240 AMBIPi

Hi students, Welcome to Amans Maths Blogs (AMBIPi). Are you preparing for SSC Scientific Assistant and looking for SSC Scientific Assistant IMD Electronic Questions 221 to 240 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: 221

The current at resonance in RLC series circuit is ______

Option A : Maximum

Option B : Minimum

Option C : Zero

Option D : Infinite

Option A : Maximum

SSC Scientific Assistant IMD Electronic Question No: 222

The SI unit of reactive power and apparent power are ______ and ______ respectively.

Option A : VAR and VA

Option B : kVA and VAR

Option C : VA and kV

Option D : kA and VA

Option A : VAR and VA

SSC Scientific Assistant IMD Electronic Question No: 223

A parallel RLC circuit has 25 ohms resistor , 10 mH inductor and 2.5 μF capacitor connected in parallel across a 50 V, 100 Hz AC supply . Calculate the total impedance , conductance and admittance produced by the circuit.

Option A : 15.65 Ω , 40 mS and 63.8 mS

Option B : 10.65 Ω , 25 mS and 63 mS

Option C : 12.65 Ω , 30 mS and 60 mS

Option D : 15 Ω, 14.276 Ms and 63.2 mS

Option D : 15 Ω, 14.276 Ms and 63.2 mS

SSC Scientific Assistant IMD Electronic Question No: 224

Calculate the value of ix when resistance is 4 Ω and voltage of each battery is 8 Ω Option A : 1.1456 A

Option B : O A

Option C : 0.074 A

Option D : 1,234 A

Option C : 0.074 A

SSC Scientific Assistant IMD Electronic Question Paper No: 225

Find Thevenin’s resistance across AB in the following circuit .

Option A : 200

Option B : 400

Option C : 0

Option D : 1000

Option D : 1000

SSC Scientific Assistant IMD Electronic Question No: 226

What does the superposition theorem determines when applied to a linear network ?

Option A : The current and voltage responds

Option B : Only current responds

Option C : Only voltage responds

Option D : The power responds

Option A : The current and voltage responds

SSC Scientific Assistant IMD Electronic Question No: 227

What is the condition for the maximum power delivered from the source to its load ?

Option A : Load resistance greater than the source resistance

Option B : Load resistance less than the source resistance

Option C : Load resistance equal the source resistance

Option D : Load resistance less than or equal to the source resistance

Option C : Load resistance equal the source resistance

SSC Scientific Assistant IMD Electronic Question Paper No: 228

A series RC circuit has 5-k-Ω resistor  and a 2.5 μF capacitor connected across 20 V , 500 Hz supply. Calculate the total impedance and conductive reactance

Option A : 5040.38 Ω and 636.62 Ω

Option B : 3758.6 Ω and 635 Ω

Option C : 600.6 Ω and 630 Ω

Option D : 2752.5 Ω and 626.26 Ω

Option A : 5040.38 Ω and 636.62 Ω

SSC Scientific Assistant IMD Electronic Question Paper No: 229

The relation between the line voltage and the phase voltage in a delta connected load is given by

Option A : Line voltage > phase voltage

Option B : Line voltage = Phase voltage

Option C : Line voltage = √3 Phase voltage

Option D : Line voltage = 1√3 Phase voltage

Option B : Line voltage = Phase voltage

Previous Year Question SSC Scientific Assistant IMD Electronic: 230

In a balanced star connected power system the line voltage is 480 volts than calculate the phase voltage.

Option A : 277.1 V

Option B : 480 V

Option C : 470 V

Option D : 831.3 V

Option A : 277.1 V

SSC Scientific Assistant IMD Electronic Question No: 231

What is the term for the power factor in an RLC series circuit , just below and just above the resonant frequency respectively.

Option A : Both lagging

Option C : Lagging and leading

Option D : leading and lagging

Option D : Leading and lagging

SSC Scientific Assistant IMD Electronic Question No: 232

A star connected network consumes a power of 20 kW with a power factor of 0.8. Calculate the value of resistance of each coil when a supply voltage of 230 volts and 50 Hz is supplied between two phases  of the network

Option A : 8 ohms

Option B : 1.23 ohms

Option C : 1 ohm

Option D : 1.692 ohms

Option D : 1.692 ohms

SSC Scientific Assistant IMD Electronic Question No: 233

Calculate the impedance , if inductive reactance is 100 ohms and resistance is 150 ohms

Option A : 150 ohms

Option B : 141.4 ohms

Option C : 180.27 ohms

Option D : 100 ohms

Option C : 180.27 ohms

SSC Scientific Assistant IMD Electronic Question No: 234

Which among the following has SI unit of siemens ?

Option A : Conductance

Option B : Inductance

Option C : Resistance

Option D : Impedance

Option A : Conductance

SSC Scientific Assistant IMD Electronic Question Paper No: 235

How much electricity is consumed by 200-watt bulb , when kept ON for atleast 8 hours continuously ?

Option A : 100 watts

Option B : 1600 watts per hour

Option C : 100 watts per hour

Option D : 1 kilo watts per hour

Option B : 1600 watts per hour

SSC Scientific Assistant IMD Electronic Question No: 236

Determine the resolution of a flash type ADC which employs 25 comparators with a reference voltage of 10 vots.

Option A : 0.625 V

Option B : 0.656 V

Option C : 0.3125 V

Option D : 0.525 V

Option C : 0.3125 V

SSC Scientific Assistant IMD Electronic No: 237

Which gate has the highest speed of operation

Option A : ECL gate

Option B : Universal gate

Option C : Logic gate

Option D : Both logic and universal gate

Option A : ECL gate

SSC Scientific Assistant IMD Electronic Previous Year Question Paper No: 238

A full adder combinational circuit has

Option A : 3 inputs and 2 outputs

Option B : 2 inputs and 0 outputs

Option C : 1 input and 0 output

Option D : 4 inputs and 1 outputs

Option A : 3 inputs and 2 outputs

SSC Scientific Assistant IMD Electronic Paper No: 239

The memory that uses one transistor and one capacitor as a basic memory unit is

Option A : DRAM

Option B : SRAM

Option C : RAM

Option D : Both SRAM and DRAM

Option A : DRAM

Previous Year Question SSC Scientific Assistant IMD Electronic: 240

Which among the following multi-vibrators is unstable in any state ?

Option A : Astable multivibrator

Option B : Bistable multivibrator

Option C : Monostable multivibrator

Option D : Both Astable and Bistable multivibrator