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Q. The magnetic field due to a straight current-carrying conductor at a distance r from the wire is given by which formula? (2019)
  • A. B = μ₀I/(2πr)
  • B. B = μ₀I/(4πr²)
  • C. B = μ₀I/(2r)
  • D. B = μ₀I/(πr)
Q. The magnetic field due to a straight current-carrying conductor at a distance r is given by which formula? (2022)
  • A. B = μ₀I/2πr
  • B. B = μ₀I/r
  • C. B = μ₀I/4πr²
  • D. B = μ₀I/2r
Q. The magnetic field inside a long solenoid is given by which of the following expressions? (2020)
  • A. μ₀nI
  • B. μ₀I/n
  • C. nI/μ₀
  • D. I/μ₀n
Q. The magnetic field lines around a straight current-carrying conductor are in which shape? (2022)
  • A. Straight lines
  • B. Concentric circles
  • C. Ellipses
  • D. Spirals
Q. The magnetic field lines around a straight current-carrying conductor are: (2022)
  • A. Straight lines
  • B. Concentric circles
  • C. Elliptical
  • D. Random
Q. The magnetic field lines inside a bar magnet are directed from: (2019)
  • A. North to South
  • B. South to North
  • C. East to West
  • D. West to East
Q. The maximum displacement from the mean position in simple harmonic motion is called: (2019)
  • A. Amplitude
  • B. Frequency
  • C. Wavelength
  • D. Period
Q. The maximum displacement of a wave from its rest position is called what? (2022)
  • A. Amplitude
  • B. Wavelength
  • C. Frequency
  • D. Period
Q. The part of the flower that receives pollen is called the: (2022)
  • A. Ovary
  • B. Stigma
  • C. Style
  • D. Anther
Q. The phenomenon of electromagnetic induction was discovered by which scientist? (2022)
  • A. Michael Faraday
  • B. James Clerk Maxwell
  • C. Nikola Tesla
  • D. Albert Einstein
Q. The potential energy stored in a capacitor is given by which of the following formulas? (2020)
  • A. 1/2 CV^2
  • B. CV
  • C. Q^2/2C
  • D. 1/2 QV
Q. The pressure of a gas is inversely proportional to its volume at constant temperature is known as: (2022)
  • A. Charles's Law
  • B. Boyle's Law
  • C. Avogadro's Law
  • D. Ideal Gas Law
Q. The pressure of an ideal gas is directly proportional to its temperature when: (2022)
  • A. Volume is constant
  • B. Number of moles is constant
  • C. Both volume and number of moles are constant
  • D. None of the above
Q. The quadratic equation x² + 4x + 4 = 0 has how many distinct roots? (2021)
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. The rate constant of a reaction is affected by which of the following? (2023)
  • A. Nature of the reactants
  • B. Temperature
  • C. Catalysts
  • D. All of the above
Q. The rate of a reaction is directly proportional to the concentration of one reactant raised to the power of 2. What is the order of the reaction? (2022)
  • A. Zero order
  • B. First order
  • C. Second order
  • D. Third order
Q. The rate of a reaction is directly proportional to the product of the concentrations of the reactants raised to their respective powers. This statement defines:
  • A. Rate law
  • B. Equilibrium constant
  • C. Reaction quotient
  • D. Catalytic efficiency
Q. The rate of a reaction is given by the equation rate = k[A]^2[B]. What is the overall order of the reaction? (2020)
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. The resonant frequency of an RLC circuit is given by which formula? (2022)
  • A. f = 1/(2π√(LC))
  • B. f = 2π√(LC)
  • C. f = LC
  • D. f = R/(2πL)
Q. The restoring force in a simple harmonic oscillator is directly proportional to what? (2022)
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. The restoring force in simple harmonic motion is directly proportional to what? (2022)
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. The restoring force in simple harmonic motion is directly proportional to: (2023)
  • A. Displacement
  • B. Velocity
  • C. Acceleration
  • D. Mass
Q. The roots of the equation x² + 2x + k = 0 are real and distinct if k is: (2020)
  • A. < 1
  • B. ≥ 1
  • C. ≤ 1
  • D. > 1
Q. The roots of the equation x² + 4x + 4 = 0 are: (2020)
  • A. -2 and -2
  • B. 2 and 2
  • C. 0 and 4
  • D. 1 and 3
Q. The roots of the equation x² + 4x + k = 0 are 2 and -6. What is the value of k? (2021)
  • A. -12
  • B. -8
  • C. -10
  • D. -14
Q. The roots of the equation x² - 8x + k = 0 are 4 and 4. Find k. (2021)
  • A. 16
  • B. 8
  • C. 0
  • D. 4
Q. The scientific study of classification is known as: (2022)
  • A. Taxonomy
  • B. Morphology
  • C. Anatomy
  • D. Ecology
Q. The self-inductance of a coil depends on which of the following factors? (2021)
  • A. Number of turns
  • B. Area of cross-section
  • C. Length of the coil
  • D. All of the above
Q. The specific heat capacity of a substance is defined as the amount of heat required to raise the temperature of: (2023)
  • A. 1 kg of the substance by 1°C
  • B. 1 g of the substance by 1°C
  • C. 1 L of the substance by 1°C
  • D. 1 mole of the substance by 1°C
Q. The specific heat capacity of a substance is defined as: (2023)
  • A. The amount of heat required to raise the temperature by 1 degree Celsius
  • B. The amount of heat required to change the phase of a substance
  • C. The heat required to raise the temperature of 1 kg of the substance by 1 degree Celsius
  • D. The heat required to raise the temperature of 1 mole of the substance by 1 degree Celsius
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