Q. What is the total current in a circuit with a 10Ω resistor and a 5Ω resistor in series connected to a 30V battery? (2021)
  • A. 2A
  • B. 3A
  • C. 4A
  • D. 5A
Q. What is the total current in a circuit with a 12V battery and two 6Ω resistors in series? (2021)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. What is the total current in a circuit with a 9V battery and two 3Ω resistors in series? (2021)
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. What is the total current in a circuit with two branches, one carrying 2A and the other 3A? (2021)
  • A. 5A
  • B. 6A
  • C. 3A
  • D. 2A
Q. What is the total current in a circuit with two branches, one carrying 3A and the other 5A? (2021)
  • A. 2A
  • B. 3A
  • C. 5A
  • D. 8A
Q. What is the total current in a parallel circuit with two branches carrying 2 A and 3 A respectively? (2023)
  • A. 5 A
  • B. 6 A
  • C. 1 A
  • D. 2.5 A
Q. What is the total mechanical energy of an object in free fall just before it hits the ground? (2022)
  • A. Zero
  • B. Potential energy only
  • C. Kinetic energy only
  • D. Total energy is conserved
Q. What is the total power consumed in a circuit with a power factor of 0.6, if the apparent power is 100 VA? (2023)
  • A. 60 W
  • B. 100 W
  • C. 40 W
  • D. 80 W
Q. What is the total resistance of two resistors, 4 ohms and 6 ohms, connected in series? (2021)
  • A. 10 ohms
  • B. 24 ohms
  • C. 2.4 ohms
  • D. 0.67 ohms
Q. What is the typical current-voltage characteristic of a diode in reverse bias? (2019)
  • A. Linear
  • B. Exponential
  • C. Constant
  • D. Very small reverse saturation current
Q. What is the typical forward voltage drop across a silicon diode? (2023)
  • A. 0.2 V
  • B. 0.7 V
  • C. 1.5 V
  • D. 2.0 V
Q. What is the unit of energy in the SI system? (2023)
  • A. Joule
  • B. Watt
  • C. Newton
  • D. Pascal
Q. What is the unit of inductive reactance? (2020)
  • A. Ohm
  • B. Henry
  • C. Farad
  • D. Tesla
Q. What is the unit of magnetic moment? (2023)
  • A. Ampere-meter
  • B. Tesla
  • C. Weber
  • D. Newton-meter
Q. What is the unit of measurement for electric current in the SI system? (2022)
  • A. Volt
  • B. Ampere
  • C. Ohm
  • D. Coulomb
Q. What is the unit of measurement for electric current? (2019)
  • A. Volt
  • B. Ohm
  • C. Ampere
  • D. Watt
Q. What is the unit of pressure in SI units? (2023)
  • A. Pascal
  • B. Bar
  • C. Atmosphere
  • D. Torr
Q. What is the unit of pressure in SI? (2023)
  • A. Pascal
  • B. Bar
  • C. Atmosphere
  • D. Torr
Q. What is the value of the gravitational constant (G) in SI units? (2023)
  • A. 6.67 x 10^-11 N m²/kg²
  • B. 9.81 m/s²
  • C. 3.00 x 10^8 m/s
  • D. 1.60 x 10^-19 C
Q. What is the voltage across a 10Ω resistor carrying a current of 2A? (2022)
  • A. 5V
  • B. 10V
  • C. 15V
  • D. 20V
Q. What is the voltage drop across a 10Ω resistor carrying a current of 2A? (2019)
  • A. 5V
  • B. 10V
  • C. 15V
  • D. 20V
Q. What is the voltage drop across a 3Ω resistor carrying a current of 4A? (2019)
  • A. 6V
  • B. 8V
  • C. 12V
  • D. 15V
Q. What is the wavelength of light emitted when an electron transitions from n=3 to n=1 in a hydrogen atom? (2020)
  • A. 102.6 nm
  • B. 656.3 nm
  • C. 486.1 nm
  • D. 434.0 nm
Q. What is the wavelength of light emitted when an electron transitions from n=4 to n=2 in a hydrogen atom? (2020)
  • A. 486 nm
  • B. 656 nm
  • C. 434 nm
  • D. 410 nm
Q. What is the wavelength of light if the first-order maximum occurs at an angle of 30° in a double-slit experiment with a slit separation of 0.1 mm and a screen distance of 1 m? (2019)
  • A. 0.5 mm
  • B. 0.3 mm
  • C. 0.2 mm
  • D. 0.1 mm
Q. What is the work done by an ideal gas during an isobaric expansion? (2019)
  • A. PΔV
  • B. ΔU
  • C. Q
  • D. 0
Q. What is the work done when a force of 15 N moves an object 3 m in the direction of the force? (2021)
  • A. 45 J
  • B. 30 J
  • C. 15 J
  • D. 60 J
Q. What is the Young's modulus of a material if a stress of 200 MPa produces a strain of 0.01? (2021)
  • A. 2000 MPa
  • B. 20 MPa
  • C. 200 MPa
  • D. 2 MPa
Q. What type of charge carriers are predominant in n-type semiconductors? (2020)
  • A. Holes
  • B. Electrons
  • C. Protons
  • D. Neutrons
Q. What type of charge carriers are present in n-type semiconductors? (2019)
  • A. Holes
  • B. Electrons
  • C. Protons
  • D. Neutrons
Showing 721 to 750 of 890 (30 Pages)
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