Major Competitive Exams

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Q. In an AC circuit, what is the relationship between the average power and the RMS voltage? (2023)
  • A. P = V_rms²/R
  • B. P = V_peak²/R
  • C. P = V_rms/R
  • D. P = V_peak/R
Q. In an AC circuit, what is the unit of reactance? (2019)
  • A. Ohm
  • B. Farad
  • C. Henry
  • D. Volt
Q. In an AC generator, the induced EMF is maximum when the coil is positioned at what angle to the magnetic field?
  • A. 0 degrees
  • B. 45 degrees
  • C. 90 degrees
  • D. 180 degrees
Q. In an adiabatic process, the relationship between pressure and volume for an ideal gas is given by which equation? (2020)
  • A. PV^n = constant
  • B. PV = nRT
  • C. P1V1 = P2V2
  • D. V/T = constant
Q. In an adiabatic process, the temperature of a gas decreases. What happens to its pressure? (2021)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on volume
Q. In an adiabatic process, the temperature of an ideal gas decreases. What happens to its pressure?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on volume
Q. In an adiabatic process, which of the following is true? (2020)
  • A. Heat is absorbed from the surroundings
  • B. Heat is released to the surroundings
  • C. No heat is exchanged
  • D. Temperature remains constant
Q. In an adiabatic process, which of the following remains constant? (2020)
  • A. Temperature
  • B. Pressure
  • C. Internal Energy
  • D. Enthalpy
Q. In an analogy, which of the following best represents resistance in an electrical circuit? (2022)
  • A. A narrow pipe
  • B. A wide pipe
  • C. A water tank
  • D. A water wheel
Q. In an arithmetic progression, if the 1st term is 4 and the 6th term is 24, what is the common difference?
  • A. 4
  • B. 5
  • C. 6
  • D. 7
Q. In an arithmetic progression, if the 1st term is x and the common difference is 2, what is the expression for the 6th term?
  • A. x + 10
  • B. x + 12
  • C. x + 8
  • D. x + 14
Q. In an arithmetic progression, if the 2nd term is 10 and the 4th term is 14, what is the first term? (2023)
  • A. 6
  • B. 8
  • C. 10
  • D. 12
Q. In an arithmetic progression, if the 2nd term is 8 and the 4th term is 14, what is the 1st term?
  • A. 6
  • B. 5
  • C. 7
  • D. 8
Q. In an arithmetic progression, if the 3rd term is 12 and the 7th term is 24, what is the common difference?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. In an arithmetic progression, if the 3rd term is 15 and the 6th term is 24, what is the common difference?
  • A. 3
  • B. 4
  • C. 5
  • D. 6
Q. In an arithmetic progression, if the 4th term is 20 and the 7th term is 26, what is the first term?
  • A. 10
  • B. 12
  • C. 8
  • D. 14
Q. In an arithmetic progression, if the 5th term is 20 and the 10th term is 35, what is the first term?
  • A. 5
  • B. 10
  • C. 15
  • D. 20
Q. In an arithmetic progression, if the first term is 10 and the common difference is 5, what is the sum of the first 8 terms?
  • A. 120
  • B. 130
  • C. 140
  • D. 150
Q. In an arithmetic progression, if the first term is 12 and the last term is 48, and there are 10 terms, what is the common difference?
  • A. 4
  • B. 3
  • C. 5
  • D. 6
Q. In an arithmetic progression, if the first term is 4 and the last term is 40, and there are 10 terms, what is the common difference?
  • A. 4
  • B. 5
  • C. 6
  • D. 7
Q. In an arithmetic progression, if the first term is 5 and the common difference is 3, what is the 10th term?
  • A. 32
  • B. 30
  • C. 35
  • D. 28
Q. In an arithmetic progression, if the first term is 7 and the common difference is -2, what is the 6th term?
  • A. -1
  • B. 1
  • C. 3
  • D. 5
Q. In an arithmetic progression, if the sum of the first 10 terms is 100, what is the first term if the common difference is 2?
  • A. 5
  • B. 10
  • C. 15
  • D. 20
Q. In an arithmetic progression, if the sum of the first 10 terms is 250, what is the first term if the common difference is 5?
  • A. 15
  • B. 20
  • C. 25
  • D. 30
Q. In an arithmetic progression, if the sum of the first 5 terms is 50 and the first term is 5, what is the common difference?
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. In an arithmetic progression, if the sum of the first 5 terms is 50, what is the first term if the common difference is 2?
  • A. 6
  • B. 8
  • C. 10
  • D. 12
Q. In an arithmetic progression, if the sum of the first 5 terms is 50, what is the value of the first term if the common difference is 2?
  • A. 8
  • B. 10
  • C. 12
  • D. 14
Q. In an arithmetic series, if the first term is 5 and the last term is 45, and there are 10 terms, what is the common difference?
  • A. 4
  • B. 5
  • C. 3
  • D. 2
Q. In an ecosystem, which of the following organisms is known as a primary consumer? (2019)
  • A. Herbivores
  • B. Carnivores
  • C. Decomposers
  • D. Producers
Q. In an ecosystem, which of the following organisms is known as a primary producer? (2021)
  • A. Herbivores
  • B. Carnivores
  • C. Decomposers
  • D. Plants
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