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Q. If the voltage across a capacitor in an AC circuit is 100 V and the capacitive reactance is 50 ohms, what is the current through the capacitor? (2021)
  • A. 2 A
  • B. 1 A
  • C. 0.5 A
  • D. 0.25 A
Q. If the voltage across a capacitor in an AC circuit is 100 V RMS, what is the peak voltage? (2022)
  • A. 100 V
  • B. 141.42 V
  • C. 200 V
  • D. 70.71 V
Q. If the voltage across a capacitor in an AC circuit is 100V and the capacitive reactance is 50Ω, what is the current? (2021)
  • A. 2A
  • B. 0.5A
  • C. 5A
  • D. 100A
Q. If the voltage across a capacitor in an AC circuit is 100V and the capacitive reactance is 50 ohms, what is the current? (2023)
  • A. 2A
  • B. 0.5A
  • C. 5A
  • D. 10A
Q. If the voltage across a capacitor in an AC circuit is 100V and the capacitive reactance is 50Ω, what is the current through the capacitor? (2023)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. If the voltage across a capacitor is 100V and the capacitive reactance is 50 ohms, what is the current through the capacitor? (2022)
  • A. 2 A
  • B. 1 A
  • C. 0.5 A
  • D. 0.25 A
Q. If the voltage across a resistor is 240V and the resistance is 60 ohms, what is the current flowing through it? (2020)
  • A. 2A
  • B. 4A
  • C. 6A
  • D. 8A
Q. If the voltage across a resistor is halved, what happens to the current through it? (2020)
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the voltage across a resistor is increased from 5V to 10V, what happens to the current through the resistor if the resistance is constant? (2021)
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the voltage across an inductor is 100 V and the current through it is 2 A, what is the inductive reactance? (2023)
  • A. 50 Ω
  • B. 200 Ω
  • C. 100 Ω
  • D. 25 Ω
Q. If the voltage across an inductor is 100 V and the current through it is 5 A, what is the inductive reactance? (2023)
  • A. 20 Ω
  • B. 25 Ω
  • C. 50 Ω
  • D. 100 Ω
Q. If the voltage across an inductor is 12V and the current is 2A, what is the inductive reactance? (2023)
  • A.
  • B. 12Ω
  • C. 24Ω
  • D. 18Ω
Q. If the volume of a gas is doubled at constant temperature, what happens to its pressure?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the volume of a gas is halved at constant temperature, what happens to its pressure? (2023)
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the volume of a gas is halved while keeping the temperature constant, what happens to the pressure of the gas?
  • A. Halves
  • B. Doubles
  • C. Remains the same
  • D. Increases by 50%
Q. If the wavelength of light is halved, what happens to its frequency? (2021)
  • A. It is halved
  • B. It remains the same
  • C. It is doubled
  • D. It is quadrupled
Q. If the wavelength of light is halved, what happens to the energy of the photons? (2020)
  • A. It is halved
  • B. It is doubled
  • C. It remains the same
  • D. It is quadrupled
Q. If the wavelength of light used in a diffraction grating is increased, what happens to the angular separation of the fringes? (2023)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. If the wavelength of light used in a double-slit experiment is increased, what happens to the fringe separation? (2022)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. If the wavelength of light used in a double-slit experiment is increased, what happens to the distance between the fringes? (2022)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. If the wavelength of light used in a single-slit diffraction experiment is increased, what will happen to the position of the first minimum? (2022)
  • A. It moves closer to the center
  • B. It moves away from the center
  • C. It remains unchanged
  • D. It disappears
Q. If the wavelength of light used in a single-slit diffraction experiment is increased, what happens to the width of the central maximum? (2023)
  • A. It decreases
  • B. It increases
  • C. It remains the same
  • D. It becomes zero
Q. If two charges +Q and -Q are placed at a distance 'd' apart, what is the electric field at the midpoint? (2020)
  • A. 0
  • B. kQ/d^2
  • C. kQ/(2d^2)
  • D. kQ/d
Q. If two charges of +2 µC and -2 µC are placed 1 m apart, what is the net electric field at the midpoint? (2023)
  • A. 0 N/C
  • B. 4 N/C
  • C. 2 N/C
  • D. 8 N/C
Q. If two coins are tossed, what is the probability of getting at least one tail? (2023)
  • A. 1/4
  • B. 1/2
  • C. 3/4
  • D. 1/3
Q. If two dice are rolled, what is the probability that the sum is 7?
  • A. 1/6
  • B. 1/12
  • C. 1/36
  • D. 5/36
Q. If two identical capacitors of 4 µF each are connected in series, what is the equivalent capacitance?
  • A. 2 µF
  • B. 4 µF
  • C. 6 µF
  • D. 8 µF
Q. If two identical charges are placed 1 m apart, what will be the electric field at a point midway between them? (2019)
  • A. 0 N/C
  • B. kq/2
  • C. kq
  • D. 2kq
Q. If two resistors of 4Ω and 12Ω are connected in series, what is the total voltage across them if the current flowing is 2A? (2020)
  • A. 32V
  • B. 24V
  • C. 16V
  • D. 8V
Q. If two resistors of 4Ω and 6Ω are connected in parallel, what is the equivalent resistance? (2022)
  • A. 2.4Ω
  • B. 10Ω
  • C. 24Ω
  • D. 1.5Ω
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