SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.1 The standard percentage of the tender amount for the security deposit is ____.

1. 2
2. 10
3. 2.5
4. 5

Correct Option: 2

Q.2 The actual efficiency of a solar power plant is lower than its theoretical efficiency. Which of the following can be reasons for this?I) Recombination of electrons and holesII) Internal resistance of the cell

1. Neither I nor II
2. Only I
3. Both I and II
4. Only II

Correct Option: 3

Q.3 In an electrical signal waveform, if each value on the curve is proportional to sine of the angle of rotation of the coil, then such a wave is called _______.

1. ramp wave
2. sine wave
3. triangular wave
4. square wave

Correct Option: 2

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.4 A supply of 200 V can be obtained from a source of 600 V by means of a two-winding transformer or an auto transformer. The ratio of weights of conductor material in the auto transformer with respect to the two-winding transformer is _____________.

1. 1 : 1.5
2. 2 : 1
3. 1 : 2
4. 1.5 : 1

Correct Option: 1

Q.5 If a power station supplies 1000 MWh of electricity to its consumers for a period of two months, then the average demand during the period will be:

1. 0.694 kW
2. 0.694 MW
3. 1.39 kW
4. 1.39 MW

Correct Option: 2

Q.6 Consider two MOSFET’s A and B with the same overdrive voltage and sizes. MOSFET A is p-type MOSFET while MOSFET B is n-type MOSFET. Which of the following statements is true?a) MOSFET A has a higher transconductanceb) MOSFET B has a higher transconductancec) MOSFET A and B have same transconductance due to same dimensionsd) MOSFET A has a higher transconductance due to less mobility

1. Only B
2. Only C
3. Only A and D
4. Only A

Correct Option: 1

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.8 With respect to measuring the current in a circuit using the CRO, which of the following statements is/are correct?I. A low-resistance standard resistor is connected in series with the circuit whose current is being measured.II. The CRO is connected across the standard resistor to measure the voltage drop across it.III. A high-resistance standard resistor is connected in parallel with the circuit where the current is being measured.IV. The CRO is connected in series with the circuit whose current is being measured.

1. Only I and IV
2. Only III and IV
3. Only I and II
4. Only IV

Correct Option: 3

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.9 In a pure inductive circuit, if the frequency of the AC source is doubled, then its inductive reactance will:

1. remain the same
2. be doubled
3. be halved
4. become zero

Correct Option: 2

Q.11 Which of the following overhead conductor materials is preferred for the harmful gas (like ammonia) atmosphere?

1. Cadmium copper
2. Aluminium
3. Galvanized steel
4. Phosphor bronze

Correct Option: 4

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.12 For providing controlling torque to a horizontally mounted MI instrument, which of the following methods is used?

1. Water control
2. Electrostatic field
3. Eddy current
4. Spring control

Correct Option: 4

Q.13 Repulsion start induction run motors are used in applications such as ________.

1. compressors
2. fans
3. hair dryers
4. vacuum cleaners

Correct Option: 1

Q.14 A 25 V, 800 W bulb is connected to a 10 V source. The power consumed by the bulb is ________.

1. 64 W
2. 100 W
3. 400 W
4. 128 W

Correct Option: 4

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.15 Which phase of the project management lifecycle often takes the longest to wrap up?

1. Conceptualisation
2. Planning
3. Estimation
4. Execution

Correct Option: 4

Q.16 The deflecting torque in a PMMC instrument is proportional to _________________.

1. the current flowing through the coil
2. the area of the coil
3. the resistance of the coil
4. the square of the current flowing through the coil

Correct Option: 1

Q.17 In the context of electromagnetic induction, if the magnetic fluxes of two coils oppose each other, then the connection is called ______.

1. parallel opposing
2. mutually opposing
3. self-opposing
4. series opposing

Correct Option: 4

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.18 The advantage of the stationary armature of a synchronous machine is:

1. perfect mechanical balance is obtained on stator winding
2. stator weight is less compared to rotor weight
3. commutator is present
4. stator winding voltage rating can be decreased

Correct Option: 1

Q.19 For measuring the earth resistance by the fall-of-potential method, how many auxiliary electrodes are used?

1. 3
2. 4
3. 1
4. 2

Correct Option: 4

Q.21 In BJT, for common emitter configuration, the input characteristics are represented by a plot between which of the following parameters?

1. VBE and IB
2. VCE and IC
3. VBE and IE
4. VEE and IB

Correct Option: 1

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.23 A switched reluctance motor can produce torque at a speed __________.

1. triple than synchronous speed
2. double than synchronous speed
3. less than synchronous speed
4. equal to synchronous speed

Correct Option: 4

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

Q.24 In AC series motor, power factor is low because of ______________.

1. high inductance of the field and armature circuit
2. high resistance of the field and armature circuit
3. low inductance of the field and armature circuit
4. high capacitance of the field and armature circuit

Correct Option: 1

Q.25 Which of the following is NOT a desirable property for the insulating materials used in an underground cable?

1. Non-inflammable
2. High dielectric strength
3. Hygroscopic
4. High insulation resistance

Correct Option: 3

SSC JE 9 Oct 2023 PAPER I Electrical Part 5

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