Major Competitive Exams

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Q. According to Faraday's law of electromagnetic induction, the induced EMF in a circuit is proportional to the rate of change of which of the following? (2020)
  • A. Magnetic field strength
  • B. Magnetic flux
  • C. Electric field strength
  • D. Current
Q. According to Faraday's law, the induced EMF in a circuit is directly proportional to what?
  • A. The rate of change of magnetic flux
  • B. The strength of the magnetic field
  • C. The resistance of the circuit
  • D. The length of the conductor
Q. According to Faraday's law, the induced EMF in a circuit is proportional to what?
  • A. The rate of change of magnetic flux
  • B. The strength of the magnetic field
  • C. The resistance of the circuit
  • D. The length of the conductor
Q. According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to what?
  • A. Molar mass
  • B. Temperature
  • C. Pressure
  • D. Volume
Q. According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 4A, what is the total current leaving the junction?
  • A. 1A
  • B. 3A
  • C. 5A
  • D. 9A
Q. According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 4A, what is the current leaving the junction?
  • A. 1A
  • B. 3A
  • C. 5A
  • D. 9A
Q. According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 1A, what is the total current leaving the junction?
  • A. 6A
  • B. 5A
  • C. 4A
  • D. 3A
Q. According to Kirchhoff's Current Law, if three currents entering a junction are 2A, 3A, and 5A, what is the total current leaving the junction?
  • A. 10A
  • B. 5A
  • C. 3A
  • D. 2A
Q. According to Kirchhoff's Voltage Law, the sum of the potential differences around any closed loop in a circuit is equal to what?
  • A. Zero
  • B. The total current
  • C. The total resistance
  • D. The total power
Q. According to Kirchhoff's Voltage Law, the sum of the potential differences around any closed loop in a circuit must equal what?
  • A. Zero
  • B. The total current
  • C. The total resistance
  • D. The total power
Q. According to Newton's third law, if object A exerts a force on object B, what does object B do?
  • A. Exerts a greater force on A
  • B. Exerts an equal and opposite force on A
  • C. Exerts no force
  • D. Exerts a lesser force on A
Q. According to the bar graph, what was the percentage increase in sales from 2021 to 2022 for oranges? (2021)
  • A. 10%
  • B. 20%
  • C. 30%
  • D. 40%
Q. According to the bar graph, what was the percentage increase in sales from 2021 to 2022 for Bananas? (2021)
  • A. 10%
  • B. 20%
  • C. 30%
  • D. 40%
Q. According to the bar graph, what was the percentage increase in sales from Q1 to Q2 for Product A?
  • A. 10%
  • B. 20%
  • C. 30%
  • D. 40%
Q. According to the bar graph, what was the percentage increase in sales from Q1 to Q2 for Electronics?
  • A. 10%
  • B. 20%
  • C. 30%
  • D. 40%
Q. According to the bar graph, which city had the highest pollution levels in 2023? (2023)
  • A. City A
  • B. City B
  • C. City C
  • D. City D
Q. According to the bar graph, which demographic had the lowest participation in the survey?
  • A. 18-25 years
  • B. 26-35 years
  • C. 36-45 years
  • D. 46-55 years
Q. According to the bar graph, which fruit's sales were consistently lower than the average sales of all fruits?
  • A. Pineapples
  • B. Mangoes
  • C. Peaches
  • D. Kiwis
Q. According to the bar graph, which fruit's sales were consistently lower than the average sales of all fruits over the three years?
  • A. Pineapples
  • B. Mangoes
  • C. Peaches
  • D. Kiwis
Q. According to the bar graph, which month had the highest sales figures?
  • A. January
  • B. March
  • C. June
  • D. December
Q. According to the bar graph, which month had the highest sales for all products combined?
  • A. January
  • B. April
  • C. July
  • D. October
Q. According to the bar graph, which month had the lowest sales for all products combined?
  • A. March
  • B. April
  • C. May
  • D. June
Q. According to the bar graph, which product saw the most significant drop in sales during the last quarter?
  • A. Product X
  • B. Product Y
  • C. Product Z
  • D. Product W
Q. According to the bar graph, which two fruits had sales figures that were closest to each other?
  • A. Apples and Bananas
  • B. Cherries and Grapes
  • C. Bananas and Grapes
  • D. Apples and Cherries
Q. According to the Biot-Savart Law, the magnetic field dB at a point due to a current element Idl is proportional to which of the following?
  • A. Idl
  • B. sin(θ)
  • C. 1/r^2
  • D. Both Idl and sin(θ)
Q. According to the ideal gas law, which of the following is the correct equation?
  • A. PV = nRT
  • B. PV = nR
  • C. P = nRT/V
  • D. V = nP/RT
Q. According to the kinetic molecular theory, which of the following statements is true?
  • A. Gas particles have significant volume.
  • B. Gas particles are in constant motion.
  • C. Gas particles attract each other.
  • D. Gas particles do not collide.
Q. According to the kinetic theory of gases, the pressure exerted by a gas is due to:
  • A. the gravitational force on the gas
  • B. the collisions of gas molecules with the walls of the container
  • C. the temperature of the gas
  • D. the volume of the gas
Q. According to the kinetic theory, the pressure exerted by a gas is due to which of the following?
  • A. The weight of the gas molecules.
  • B. The collisions of gas molecules with the walls of the container.
  • C. The temperature of the gas.
  • D. The volume of the gas.
Q. According to the kinetic theory, the pressure exerted by a gas is due to:
  • A. Gravitational force
  • B. Molecular collisions with the walls
  • C. Temperature of the gas
  • D. Volume of the gas
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