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Objective Questions

Latest MPPKVVCL Testing Assistant Exam Question (Objective Questions), MCQ in English

Subjects : Technical Ability (Testing Assistant), General Aptitude

Question Bank MPPKVVCL Testing Assistant Exam - English
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Technical Ability (Testing Assistant)

Question 1Single Answer
The SI unit of electric current is?
  1. A
    Volt
  2. B
    Ampere
  3. C
    Ohm
  4. D
    Coulomb
Question 2Single Answer
The rate of flow of electric charge is called?
  1. A
    Current
  2. B
    Resistance
  3. C
    Voltage
  4. D
    Power
Question 3Single Answer
The SI unit of electric charge is?
  1. A
    Ampere
  2. B
    Ohm
  3. C
    Coulomb
  4. D
    Joule
Question 4Single Answer
Potential difference is measured in?
  1. A
    Ohm
  2. B
    Volt
  3. C
    Watt
  4. D
    Farad
Question 5Single Answer
The property of a material to oppose the flow of current is called?
  1. A
    Conductance
  2. B
    Capacitance
  3. C
    Inductance
  4. D
    Resistance
Question 6Single Answer
The SI unit of resistance is?
  1. A
    Farad
  2. B
    Henry
  3. C
    Ohm
  4. D
    Tesla
Question 7Single Answer
Electric power is given by which expression?
  1. A
    V × I
  2. B
    V/I
  3. C
    I/R
  4. D
    V/R
Question 8Single Answer
The SI unit of power is?
  1. A
    Joule
  2. B
    Watt
  3. C
    Newton
  4. D
    Henry
Question 9Single Answer
Electric energy consumed is measured in?
  1. A
    Watt-hour
  2. B
    Joule
  3. C
    Watt
  4. D
    Weber
Question 10Single Answer
Which quantity is scalar?
  1. A
    Electric field
  2. B
    Velocity
  3. C
    Force
  4. D
    Current
Question 11Single Answer
Which quantity is vector?
  1. A
    Resistance
  2. B
    Electric field
  3. C
    Voltage
  4. D
    Energy
Question 12Single Answer
Conductance is the reciprocal of?
  1. A
    Inductance
  2. B
    Resistance
  3. C
    Current
  4. D
    Capacitance
Question 13Single Answer
The SI unit of conductance is?
  1. A
    Henry
  2. B
    Weber
  3. C
    Farad
  4. D
    Siemens
Question 14Single Answer
If 10 Coulomb of charge flows in 2 seconds, current is?
  1. A
    2 A
  2. B
    20 A
  3. C
    10 A
  4. D
    5 A
Question 15Single Answer
Instrument used to measure current is?
  1. A
    Voltmeter
  2. B
    Ammeter
  3. C
    Wattmeter
  4. D
    Ohmmeter
Question 16Single Answer
Instrument used to measure voltage is?
  1. A
    Voltmeter
  2. B
    Wattmeter
  3. C
    Ammeter
  4. D
    Energy meter
Question 17Single Answer
The resistance of an ideal conductor is?
  1. A
    Infinite
  2. B
    Zero
  3. C
    Very high
  4. D
    Very low but not zero
Question 18Single Answer
The resistance of an ideal insulator is?
  1. A
    Infinite
  2. B
    Very low
  3. C
    Zero
  4. D
    Constant
Question 19Single Answer
Which of the following is a good conductor?
  1. A
    Wood
  2. B
    Glass
  3. C
    Rubber
  4. D
    Copper
Question 20Single Answer
Which of the following is an insulator?
  1. A
    Rubber
  2. B
    Aluminium
  3. C
    Iron
  4. D
    Silver
Question 21Single Answer
The SI unit of energy is?
  1. A
    Joule
  2. B
    Watt
  3. C
    Volt
  4. D
    Weber
Question 22Single Answer
Power factor is defined as ratio of?
  1. A
    Apparent power to active power
  2. B
    Reactive power to active power
  3. C
    Active power to apparent power
  4. D
    Active power to reactive power
Question 23Single Answer
For pure resistive circuit, power factor is?
  1. A
    0
  2. B
    1
  3. C
    0.707
  4. D
    0.5
Question 24Single Answer
For pure inductive circuit, power factor is?
  1. A
    0.5 (lagging)
  2. B
    1 (lagging)
  3. C
    0 (lagging)
  4. D
    1 (leading)
Question 25Single Answer
For pure capacitive circuit, power factor is?
  1. A
    0 (leading)
  2. B
    1 (lagging)
  3. C
    0.5 (lagging)
  4. D
    0.5 (leading)
Question 26Single Answer
In a DC circuit, power is given by?
  1. A
    VI
  2. B
    V²/R
  3. C
    I²R
  4. D
    All of these forms are equivalent
Question 27Single Answer
The symbol ‘W’ denotes?
  1. A
    Work
  2. B
    Watt
  3. C
    Weber
  4. D
    Watt-hour
Question 28Single Answer
Electric field between two points is defined as?
  1. A
    Voltage per unit current
  2. B
    Charge per unit area
  3. C
    Force per unit mass
  4. D
    Work done per unit charge
Question 29Single Answer
Resistivity depends on?
  1. A
    Voltage
  2. B
    Length only
  3. C
    Area only
  4. D
    Material
Question 30Single Answer
Resistance of a wire increases with increase in?
  1. A
    Cross-sectional area
  2. B
    Conductivity
  3. C
    Temperature (for metals)
  4. D
    None of these
Question 31Single Answer
Which one is a passive element?
  1. A
    Resistor
  2. B
    Diode
  3. C
    Transistor
  4. D
    SCR
Question 32Single Answer
The unit of electric flux is?
  1. A
    Tesla
  2. B
    Weber
  3. C
    Coulomb
  4. D
    Volt
Question 33Single Answer
The opposition offered by material to electric current depends on?
  1. A
    Length
  2. B
    Area
  3. C
    Resistivity
  4. D
    All of these
Question 34Single Answer
The energy stored in an electric field is proportional to?
  1. A
    V
  2. B
    V²
  3. C
    I
  4. D
    R
Question 35Single Answer
Current density is current per unit?
  1. A
    Volume
  2. B
    Time
  3. C
    Length
  4. D
    Area
Question 36Single Answer
If the length of a wire is doubled and area is halved, resistance becomes?
  1. A
    Same
  2. B
    Double
  3. C
    Half
  4. D
    Four times
Question 37Single Answer
Ohm’s law states that V is proportional to?
  1. A
    I
  2. B
    1/R
  3. C
    R
  4. D
    1/I
Question 38Single Answer
Ohm’s law is written as?
  1. A
    I = VR
  2. B
    V = IR
  3. C
    R = VI
  4. D
    V = I/R
Question 39Single Answer
In a series circuit, current is?
  1. A
    Different in each branch
  2. B
    Zero
  3. C
    Same in all elements
  4. D
    Only in first element
Question 40Single Answer
In a parallel circuit, voltage across each branch is?
  1. A
    Different
  2. B
    Same
  3. C
    Zero
  4. D
    Double
Question 41Single Answer
Kirchhoff’s Current Law (KCL) is based on law of?
  1. A
    Charge conservation
  2. B
    Energy conservation
  3. C
    Mass conservation
  4. D
    Momentum conservation
Question 42Single Answer
KCL states that algebraic sum of currents at a node is?
  1. A
    1
  2. B
    0
  3. C
    Maximum
  4. D
    Minimum
Question 43Single Answer
Kirchhoff’s Voltage Law (KVL) is based on law of?
  1. A
    Charge conservation
  2. B
    Momentum
  3. C
    Mass conservation
  4. D
    Energy conservation
Question 44Single Answer
KVL states that algebraic sum of voltages around a closed loop is?
  1. A
    1
  2. B
    0
  3. C
    Maximum
  4. D
    Minimum
Question 45Single Answer
In series circuits, equivalent resistance is always?
  1. A
    Greater than largest resistor
  2. B
    Less than smallest resistor
  3. C
    Equal to smallest resistor
  4. D
    Equal to largest resistor
Question 46Single Answer
In parallel circuits, equivalent resistance is always?
  1. A
    Less than smallest resistor
  2. B
    Greater than largest resistor
  3. C
    Equal to largest resistor
  4. D
    Equal to smallest resistor
Question 47Single Answer
In a node, if three currents 2 A, 3 A, 1 A enter, outgoing current is?
  1. A
    4 A
  2. B
    6 A
  3. C
    2 A
  4. D
    3 A
Question 48Single Answer
When resistors are in series, which is true?
  1. A
    Current is same
  2. B
    Voltage is same
  3. C
    Power is same
  4. D
    Resistance is same
Question 49Single Answer
When resistors are in parallel, which is true?
  1. A
    Resistance is same
  2. B
    Current is same
  3. C
    Power is same
  4. D
    Voltage is same
Question 50Single Answer
Voltage division rule applies to resistors in?
  1. A
    Parallel
  2. B
    Any connection
  3. C
    Mixed
  4. D
    Series
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