RRB NTPC 2025 Practice MCQs Set-3, Previously Asked

RRB NTPC 2025 Practice MCQs Set-3: Hello readers! We are again back with another RRB NTPC 2025 Practice Set 3 Previously Asked MCQs for your preparation. Most of the candidates have found these questions useful for upcoming exam. The below provided practice set has been taken from previously conduct RRB NTPC Exams of various years and sessions. These MCQs will not only enhance your prepration but boost your accuracy in marking the correct answer. Attempt, analyse and remember these questions for better understanding. Check the RRB NTPC 2025 Practice MCQs Set-3 questions below. The correct answers are available below of the article.

RRB NTPC 2025 Practice Set-3, Previously Asked MCQs

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Q1: The commercial unit of electrical energy is ………?

(a) Watt
(b) Calorie
(c) Kilowatt hour
(d) Joule

Q2: The physical quantity having a unit of volt/ampere is –––––––?

(a) work
(b) Current
(c) charge
(d) resistance

Q3: The unit of resistance is ……… ?

(a) Ampere
(b) Coulomb
(c) Ohm
(d) Volt

Q4: The S.I. unit of induced potential difference is:

(a) mV
(b) A
(c) V
(d) mA

Q5: Which of the following is not a unit of temperature?

(a) Fahrenheit
(b) Pascal
(c) Celsius
(d) Kelvin

Q6: The SI unit of electrical resistivity is ………….?

(a) Ohm-meter
(b) Ohm
(d) Coulomb
(d) Ampere

Q7: The amount of radiation being emitted by a radioactive material is measured using the conventional unit ––––––?

(a) Watt
(b) Pascal
(c) Ampere
(d) Curie

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Q8: Henry per meter is the unit of______.?

(a) Watt per steradian
(b) Electronegativity
(c) Magnetic permeability
(d) electrical conductivity

Q9: Which of the following units is used to measure the intensity of sound?

(a) Pascal
(b) Curie
(c) Decibel
(d) Joule

Q10: Which of the following units is used for measuring the amount of a substance?

(a) Lux
(b) Mole
(c) Tesla
(d) Joule

Q11: What is the SI Unit of amount of substances?

(a) Radian
(b) Mole
(c) Jule
(d) Kelvin

Q12: S.I. unit of weight is –

(a) Kilogram
(b) Newton
(c) Gram
(d) Dyne

Q13: Which unit is equal to unit of energy –

(a) Power
(b) Density
(c) Work
(d) Force

Q14: Which of the following has no unit –

(a) Density
(b) Relative density
(c) Displacement
(d) Pressure

Q15: The SI unit of sound wave frequency was named in honour of which physicist?

(a) Werner Karl Heisenberg
(b) Heinrich Rudolf Hertz
(c) Albert Einstein
(d) J C Maxwel

Q16: The S.I. unit of resistivity is:

(a) ohm/m
(b) ohm
(c) mho
(d) ohm m

Q17: Newton is the unit to measure ______.

(a) Power
(b) Force
(c) Pressure
(d) Resistance

Q18: The work done by a force acting on an object is equal to the amount of force multiplied by the distance travelled in the direction of the force. Which of the following is NOT a unit of work ?

(a) Kgm/sec2
(b) Kgm2/sec2
(c) Newton meter
(d) Joule

Q19: A light-year is a unit of ______

(a) Time
(b) Intensity of light
(c) Mass
(d) Distance

Q20: What is the SI unit of power of a lens called?

(a) Hypermetropic
(b) Dioptre
(c) Myopic
(d) Presbyopic

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Q21: Which of the following quantities has the SI unit as Candela?

(a) Impulse
(b) Velocity
(c) Force
(d) Luminous intensity

Q22: The rate of doing work is called power. The unit of power is ?

(a) Ampere
(b) Volt
(c) Kelvin
(d) Watt

Q23: Which of the following units is used to measure the intensity of sound?

(a) Pascal
(b) Curie
(c) Decibel
(d) Joule

Q24: Which of the following units is used for measuring the amount of a substance?

(a) Lux
(b) Mole
(c) Tesla
(d) Joule

Q25: What is the SI Unit of amount of substances?

(a) Radian
(b) Mole
(c) Jule
(d) Kelvin

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