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Q. In an AC circuit, the voltage is given by V(t) = V0 sin(ωt). What is the peak voltage if V0 = 10V? (2021)
  • A. 5V
  • B. 10V
  • C. 15V
  • D. 20V
Q. In an AC circuit, what is the phase difference between voltage and current in a purely inductive circuit? (2021)
  • A. 0 degrees
  • B. 90 degrees
  • C. 180 degrees
  • D. 270 degrees
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 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 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 ecosystem, which of the following organisms is known as a primary producer? (2021)
  • A. Herbivores
  • B. Carnivores
  • C. Decomposers
  • D. Plants
Q. In an electrochemical cell, the anode is where: (2019)
  • A. Oxidation occurs
  • B. Reduction occurs
  • C. Electrons are gained
  • D. Ions are produced
Q. In an isochoric process, what remains constant? (2021)
  • A. Pressure
  • B. Volume
  • C. Temperature
  • D. Heat
Q. In an isochoric process, which of the following remains constant? (2022)
  • A. Pressure
  • B. Volume
  • C. Temperature
  • D. Internal Energy
Q. In an isothermal process, the temperature of the gas remains constant. What can be said about the internal energy of an ideal gas? (2020) 2020
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It varies with pressure
Q. In an isothermal process, the temperature of the system remains: (2023)
  • A. Constant
  • B. Increases
  • C. Decreases
  • D. Varies
Q. In an RLC circuit, if the inductive reactance is 30Ω and capacitive reactance is 20Ω, what is the net reactance? (2020)
  • A. 10Ω
  • B. 50Ω
  • C. 30Ω
  • D. 20Ω
Q. In an RLC circuit, if the resistance is 10Ω, the inductance is 0.1H, and the capacitance is 20μF, what is the total impedance at 50Hz? (2022)
  • A. 10Ω
  • B. 15.81Ω
  • C. 20Ω
  • D. 25Ω
Q. In an RLC circuit, if the resistance is 6Ω, inductive reactance is 8Ω, and capacitive reactance is 4Ω, what is the total impedance? (2021)
  • A. 10Ω
  • B. 12Ω
  • C. 14Ω
  • D. 16Ω
Q. In an RLC circuit, if the resistance is increased, what happens to the quality factor (Q)? (2021)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. In an RLC circuit, what does the term 'resonance' refer to? (2019)
  • A. Maximum current at a specific frequency
  • B. Minimum current at any frequency
  • C. Constant voltage
  • D. Zero inductance
Q. In an RLC circuit, what happens to the impedance at resonance? (2023)
  • A. Minimum
  • B. Maximum
  • C. Zero
  • D. Infinite
Q. In an RLC series circuit, if the inductive reactance is greater than the capacitive reactance, the circuit is said to be: (2022)
  • A. Resonant
  • B. Inductive
  • C. Capacitive
  • D. Purely resistive
Q. In an RLC series circuit, if the resistance is 10 Ω, inductance is 0.1 H, and capacitance is 100 μF, what is the resonant frequency? (2023)
  • A. 50 Hz
  • B. 100 Hz
  • C. 159 Hz
  • D. 200 Hz
Q. In an RLC series circuit, if the resistance is 10Ω, the inductance is 0.1H, and the capacitance is 100μF, what is the resonant frequency? (2020)
  • A. 50 Hz
  • B. 100 Hz
  • C. 159 Hz
  • D. 200 Hz
Q. In an RLC series circuit, if the total impedance is 20Ω and the resistance is 15Ω, what is the reactance? (2022)
  • A.
  • B. 10Ω
  • C. 15Ω
  • D. 20Ω
Q. In an RLC series circuit, if the total impedance is 20Ω and the resistance is 15Ω, what is the inductive reactance? (2022)
  • A.
  • B. 10Ω
  • C. 15Ω
  • D. 20Ω
Q. In an RLC series circuit, if the total impedance is 50 ohms and the resistance is 30 ohms, what is the reactance? (2020)
  • A. 40 ohms
  • B. 30 ohms
  • C. 20 ohms
  • D. 10 ohms
Q. In an RLC series circuit, what happens to the impedance at resonance? (2020)
  • A. It is minimum
  • B. It is maximum
  • C. It is zero
  • D. It is equal to resistance
Q. In ecological succession, what is the term for the first species to colonize a barren environment? (2022)
  • A. Pioneer species
  • B. Climax community
  • C. Keystone species
  • D. Invasive species
Q. In electrolysis, if 1 mole of electrons is transferred, how many grams of copper can be deposited from Cu²⁺?
  • A. 63.5 g
  • B. 31.75 g
  • C. 127 g
  • D. 159 g
Q. In electrolysis, if the current is 2 A and the time is 30 minutes, how many moles of electrons are transferred?
  • A. 0.1 mol
  • B. 0.2 mol
  • C. 0.3 mol
  • D. 0.4 mol
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