Engineering & Architecture Admissions

Q. In a mixture of gases, how does the RMS speed depend on the individual gas components?
  • A. It depends only on the lightest gas
  • B. It is the weighted average of the RMS speeds of the components
  • C. It is the sum of the RMS speeds of the components
  • D. It is independent of the gas components
Q. In a mixture of gases, how is the RMS speed of the mixture calculated?
  • A. Using the average molar mass of the mixture
  • B. Using the molar mass of the heaviest gas
  • C. Using the molar mass of the lightest gas
  • D. It cannot be calculated
Q. In a moving coil galvanometer, what is the role of the spring?
  • A. To provide a magnetic field
  • B. To measure current
  • C. To return the coil to its original position
  • D. To increase sensitivity
Q. In a normal distribution, approximately what percentage of data lies within one standard deviation of the mean?
  • A. 50%
  • B. 68%
  • C. 75%
  • D. 95%
Q. In a normal distribution, what percentage of data lies within one standard deviation of the mean?
  • A. 50%
  • B. 68%
  • C. 75%
  • D. 95%
Q. In a normal distribution, what percentage of data lies within one standard deviation from the mean?
  • A. 68%
  • B. 95%
  • C. 99%
  • D. 50%
Q. In a nuclear reaction, what is conserved?
  • A. Mass only
  • B. Charge only
  • C. Mass and charge
  • D. Energy only
Q. In a nuclear reaction, what is the term for the energy released when a nucleus is formed from its constituent nucleons?
  • A. Binding energy
  • B. Kinetic energy
  • C. Potential energy
  • D. Thermal energy
Q. In a nuclear reaction, what is the term for the energy released?
  • A. Kinetic energy
  • B. Potential energy
  • C. Binding energy
  • D. Nuclear energy
Q. In a nuclear reaction, what is the term for the mass difference between the reactants and products?
  • A. Mass defect
  • B. Binding energy
  • C. Nuclear fusion
  • D. Nuclear fission
Q. In a p-n junction diode, what happens when it is forward biased?
  • A. Depletion region widens
  • B. Current flows easily
  • C. No current flows
  • D. Reverse breakdown occurs
Q. In a p-n junction diode, what happens when it is reverse-biased?
  • A. Current flows freely
  • B. Depletion region widens
  • C. Holes move towards the n-side
  • D. Electrons move towards the p-side
Q. In a p-n junction, what is formed at the junction region?
  • A. Electric field
  • B. Magnetic field
  • C. Thermal field
  • D. Gravitational field
Q. In a p-n junction, what is the region called where no charge carriers are present?
  • A. Depletion region
  • B. Conduction band
  • C. Valence band
  • D. Neutral zone
Q. In a p-n junction, what is the region called where no charge carriers exist?
  • A. Depletion region
  • B. Conduction band
  • C. Valence band
  • D. Neutral zone
Q. In a parallel circuit with three resistors of 2Ω, 3Ω, and 6Ω, what is the equivalent resistance?
  • A.
  • B.
  • C.
  • D.
Q. In a parallel circuit with three resistors of 6 ohms, 12 ohms, and 18 ohms, what is the equivalent resistance?
  • A. 3 ohms
  • B. 4 ohms
  • C. 2 ohms
  • D. 1 ohm
Q. In a parallel circuit with three resistors of values 2Ω, 3Ω, and 6Ω, what is the equivalent resistance?
  • A.
  • B.
  • C.
  • D.
Q. In a parallel circuit with three resistors of values 6 ohms, 3 ohms, and 2 ohms, what is the equivalent resistance?
  • A. 1.5 ohms
  • B. 2 ohms
  • C. 2.5 ohms
  • D. 3 ohms
Q. In a parallel circuit with three resistors R1 = 2Ω, R2 = 3Ω, and R3 = 6Ω, what is the equivalent resistance?
  • A.
  • B.
  • C.
  • D.
Q. In a parallel circuit with two resistors of 4 ohms and 6 ohms, what is the equivalent resistance?
  • A. 2.4 ohms
  • B. 10 ohms
  • C. 24 ohms
  • D. 12 ohms
Q. In a parallel circuit with two resistors of 4 ohms and 6 ohms, what is the total current if the voltage across the circuit is 12V?
  • A. 2 A
  • B. 3 A
  • C. 4 A
  • D. 5 A
Q. In a parallel circuit with two resistors of 4 ohms and 6 ohms, what is the total current if the voltage across the circuit is 12 V?
  • A. 2 A
  • B. 3 A
  • C. 4 A
  • D. 5 A
Q. In a parallel circuit with two resistors of 4Ω and 6Ω, what is the total current if the voltage across the circuit is 12V?
  • A. 2A
  • B. 3A
  • C. 4A
  • D. 6A
Q. In a parallel circuit with two resistors of 6 ohms and 3 ohms, what is the equivalent resistance?
  • A. 2 ohms
  • B. 4 ohms
  • C. 1.5 ohms
  • D. 9 ohms
Q. In a parallel circuit with two resistors R1 = 6Ω and R2 = 3Ω, what is the equivalent resistance?
  • A.
  • B.
  • C. 1.5Ω
  • D.
Q. In a parallel circuit, if one resistor fails, what happens to the total current?
  • A. It increases.
  • B. It decreases.
  • C. It remains the same.
  • D. It becomes zero.
Q. In a parallel plate capacitor, if the area of the plates is doubled while keeping the separation constant, what happens to the capacitance?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. In a parallel plate capacitor, if the distance between the plates is doubled while keeping the charge constant, what happens to the electric potential?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. In a parallel plate capacitor, if the distance between the plates is halved, what happens to the capacitance?
  • A. It halves
  • B. It doubles
  • C. It remains the same
  • D. It quadruples
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