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Q. In a parallel RLC circuit, if R = 50 ohms, L = 0.2H, and C = 50μF, what is the total admittance? (2023)
  • A. 0.02 S
  • B. 0.04 S
  • C. 0.06 S
  • D. 0.08 S
Q. In a parallel RLC circuit, if R = 50Ω, L = 0.2 H, and C = 50μF, what is the quality factor Q? (2015)
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. In a parallel RLC circuit, if the resistance is 10Ω, inductance is 0.2H, and capacitance is 50μF, what is the total admittance? (2022)
  • A. 0.1 S
  • B. 0.2 S
  • C. 0.3 S
  • D. 0.4 S
Q. In a parallel RLC circuit, if the resistance is 10Ω, inductance is 0.2H, and capacitance is 50μF, what is the total current at resonance? (2022)
  • A. 0.5A
  • B. 1A
  • C. 2A
  • D. 4A
Q. In a pedigree chart, a filled circle represents which of the following? (2023)
  • A. Male
  • B. Female
  • C. Affected female
  • D. Affected male
Q. In a PN junction diode, the depletion region is formed due to: (2019)
  • A. Excess electrons
  • B. Excess holes
  • C. Recombination of electrons and holes
  • D. External voltage
Q. In a PN junction diode, what happens when it is forward biased? (2019)
  • A. Depletion region widens
  • B. Depletion region narrows
  • C. No current flows
  • D. Reverse current increases
Q. In a PN junction, what is formed at the junction of p-type and n-type materials? (2021)
  • A. Electric field
  • B. Magnetic field
  • C. Thermal field
  • D. Gravitational field
Q. In a PN junction, what is the region called where no charge carriers are present? (2019)
  • A. Depletion region
  • B. Conduction band
  • C. Valence band
  • D. Neutral zone
Q. In a predator-prey relationship, what is the primary effect of an increase in the prey population? (2021)
  • A. Decrease in predator population
  • B. Increase in predator population
  • C. Decrease in prey population
  • D. No effect on predator population
Q. In a predator-prey relationship, which of the following is true? (2022)
  • A. Predators are always larger than their prey.
  • B. Prey populations are always larger than predator populations.
  • C. Predators help control prey populations.
  • D. Prey can never escape predators.
Q. In a purely capacitive AC circuit, the current leads the voltage by how many degrees? (2022)
  • A.
  • B. 90°
  • C. 180°
  • D. 270°
Q. In a purely capacitive AC circuit, the current leads the voltage by how much phase angle? (2023)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 270 degrees
Q. In a ray diagram for a concave lens, the rays parallel to the principal axis appear to diverge from which point? (2021)
  • A. Focal point
  • B. Center of curvature
  • C. Optical center
  • D. Principal focus
Q. In a reaction A → B, if the concentration of A decreases from 0.8 M to 0.4 M in 20 minutes, what is the average rate of reaction? (2019)
  • A. 0.02 M/min
  • B. 0.04 M/min
  • C. 0.1 M/min
  • D. 0.05 M/min
Q. In a reaction at equilibrium, if the concentration of a reactant is increased, what will happen to the equilibrium position? (2019)
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Depends on temperature
Q. In a reaction at equilibrium, if the concentration of products is increased, what will happen? (2022)
  • A. Equilibrium shifts to the left
  • B. Equilibrium shifts to the right
  • C. No change
  • D. Reaction stops
Q. In a reaction at equilibrium, if the concentration of reactants is increased, what will happen to the position of equilibrium? (2022)
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Depends on temperature
Q. In a reaction at equilibrium, if the temperature is increased and the reaction is exothermic, what will happen? (2021)
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Increase in Kc
Q. In a reaction at equilibrium, if the temperature is increased for an exothermic reaction, what will happen? (2022)
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Increase in pressure
Q. In a reaction, if the concentration of reactant A is halved, and the rate constant remains the same, how does the rate change for a first-order reaction? (2021)
  • A. Doubles
  • B. Halves
  • C. Remains the same
  • D. Quadruples
Q. In a reaction, if the concentration of reactant A is halved, and the rate of reaction decreases to one-fourth, what is the order of the reaction? (2020)
  • A. Zero
  • B. First
  • C. Second
  • D. Third
Q. In a reaction, if the concentration of reactants is doubled, what happens to the rate of reaction if it is first order? (2023)
  • A. Doubles
  • B. Triples
  • C. Quadruples
  • D. Remains the same
Q. In a redox reaction, if the oxidation state of an element decreases, what happens to that element? (2021)
  • A. It is oxidized
  • B. It is reduced
  • C. It remains unchanged
  • D. It is ionized
Q. In a redox reaction, if the oxidation state of an element decreases, what has occurred? (2021)
  • A. Oxidation
  • B. Reduction
  • C. Neutralization
  • D. Decomposition
Q. In a redox reaction, if the oxidation state of an element decreases, what is happening to that element? (2021)
  • A. It is being oxidized
  • B. It is being reduced
  • C. It is unchanged
  • D. It is ionized
Q. In a redox reaction, if the oxidation state of an element increases, what happens to that element? (2021)
  • A. It is oxidized
  • B. It is reduced
  • C. It remains unchanged
  • D. It forms a compound
Q. In a redox reaction, the substance that gains electrons is called: (2021)
  • A. Oxidizing agent
  • B. Reducing agent
  • C. Reducing agent
  • D. None of the above
Q. In a redox reaction, what happens to the oxidation state of the reducing agent? (2021)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Varies
Q. In a redox reaction, which of the following statements is true? (2020)
  • A. Oxidation involves gain of electrons
  • B. Reduction involves loss of electrons
  • C. Oxidation state of an element decreases during oxidation
  • D. Reduction involves gain of electrons
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