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 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 series RLC circuit, if R = 10 ohms, L = 0.1H, and C = 100μF, what is the resonant frequency? (2021)
  • A. 159.15 Hz
  • B. 100 Hz
  • C. 50 Hz
  • D. 200 Hz
Q. In a series RLC circuit, if R = 20Ω, L = 0.1 H, and C = 100μF, what is the resonant frequency? (2020)
  • A. 50 Hz
  • B. 100 Hz
  • C. 159.15 Hz
  • D. 200 Hz
Q. In a series RLC circuit, if the inductive reactance is greater than the capacitive reactance, what type of circuit is it? (2022)
  • A. Resonant
  • B. Inductive
  • C. Capacitive
  • D. Purely resistive
Q. In a series RLC circuit, if the inductive reactance is greater than the capacitive reactance, the circuit is said to be: (2019)
  • A. Resonant
  • B. Capacitive
  • C. Inductive
  • D. Purely resistive
Q. In a series RLC circuit, if the resistance is 10 ohms, inductance is 0.1 H, and capacitance is 100 μF, what is the resonant frequency? (2021)
  • A. 50 Hz
  • B. 100 Hz
  • C. 159 Hz
  • D. 200 Hz
Q. In a series RLC circuit, if the resistance is 10Ω, inductance is 0.1H, and capacitance is 100μF, what is the resonant frequency? (2021)
  • A. 50Hz
  • B. 100Hz
  • C. 159Hz
  • D. 200Hz
Q. In a series RLC circuit, if the resistance is 4 ohms, inductance is 0.1 H, and capacitance is 100 μF, what is the resonant frequency? (2023)
  • A. 50 Hz
  • B. 100 Hz
  • C. 159.15 Hz
  • D. 200 Hz
Q. In a series RLC circuit, if the resistance is 5Ω, the inductance is 0.2H, and the capacitance is 10μF, what is the resonant frequency? (2023)
  • A. 50Hz
  • B. 100Hz
  • C. 159.15Hz
  • D. 200Hz
Q. In a series RLC circuit, if the total impedance is 50Ω, the resistance is 30Ω, what is the inductive reactance if the capacitive reactance is 20Ω? (2023)
  • A. 10Ω
  • B. 20Ω
  • C. 30Ω
  • D. 40Ω
Q. In a series RLC circuit, what condition must be met for resonance to occur? (2021)
  • A. R = 0
  • B. XL = XC
  • C. R = XL
  • D. R = XC
Q. In a thin film interference experiment, what type of interference occurs when light reflects off a denser medium? (2023)
  • A. Constructive interference
  • B. Destructive interference
  • C. No interference
  • D. Total internal reflection
Q. In a thin film interference, if the film is viewed in white light, which color will be seen at the center of the film? (2022)
  • A. Red
  • B. Blue
  • C. Green
  • D. Yellow
Q. In a thin film of oil on water, what color will be seen if the film thickness is such that destructive interference occurs for blue light? (2021)
  • A. Red
  • B. Green
  • C. Blue
  • D. Yellow
Q. In a thin film of oil on water, which color will appear at the center of the pattern if the film thickness is such that it causes constructive interference for red light? (2022)
  • A. Red
  • B. Blue
  • C. Green
  • D. Yellow
Q. In a thin film of oil on water, which color will appear at the center of the pattern if the film thickness is such that it causes constructive interference for blue light? (2022)
  • A. Red
  • B. Green
  • C. Blue
  • D. Yellow
Q. In a thin film of oil on water, which color will appear at the center of the pattern if the film is viewed in white light? (2022)
  • A. Red
  • B. Blue
  • C. Green
  • D. Yellow
Q. In a uniform magnetic field, a charged particle moves in a circular path. What is the relationship between the radius of the path and the speed of the particle? (2022)
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relation
  • D. Quadratic relation
Q. In a uniform magnetic field, the magnetic force on a current-carrying conductor is maximum when the angle between the conductor and the field is: (2019)
  • A. 0 degrees
  • B. 90 degrees
  • C. 45 degrees
  • D. 180 degrees
Q. In a vacuum, which of the following travels the fastest?
  • A. Sound
  • B. Light
  • C. Water waves
  • D. Radio waves
Q. In an AC circuit, if the current is given by I(t) = I0 cos(ωt), what is the RMS current? (2021)
  • A. I0/√2
  • B. I0
  • C. 2I0
  • D. I0/2
Q. In an AC circuit, if the frequency is 60Hz and the inductance is 0.2H, what is the inductive reactance? (2021)
  • A. 12.56Ω
  • B. 37.68Ω
  • C. 75.36Ω
  • D. 100Ω
Q. In an AC circuit, if the frequency is increased, what happens to the inductive reactance? (2020)
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. In an AC circuit, if the power factor is 0.8, what is the angle between the voltage and current? (2020)
  • A. 36.87°
  • B. 53.13°
  • C. 60°
  • D. 45°
Q. In an AC circuit, if the resistance is 10 ohms and the inductive reactance is 20 ohms, what is the impedance? (2020)
  • A. 10 ohms
  • B. 20 ohms
  • C. √(10² + 20²)
  • D. 30 ohms
Q. In an AC circuit, if the resistance is 10 ohms and the inductive reactance is 20 ohms, what is the total impedance? (2020)
  • A. 10 ohms
  • B. 20 ohms
  • C. √(10² + 20²)
  • D. 30 ohms
Q. In an AC circuit, if the resistance is 10Ω and the inductive reactance is 20Ω, what is the total impedance? (2020)
  • A. 10Ω
  • B. 20Ω
  • C. √(10² + 20²)
  • D. 30Ω
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