Major Competitive Exams

Download Q&A
Q. In a nuclear reaction, what is conserved?
  • A. Mass only
  • B. Charge only
  • C. Mass and charge
  • D. Energy only
Q. In a nuclear reaction, what is the term for the energy released when a nucleus is formed from its constituent nucleons?
  • A. Binding energy
  • B. Kinetic energy
  • C. Potential energy
  • D. Thermal energy
Q. In a nuclear reaction, what is the term for the energy released?
  • A. Kinetic energy
  • B. Potential energy
  • C. Binding energy
  • D. Nuclear energy
Q. In a nuclear reaction, what is the term for the mass difference between the reactants and products?
  • A. Mass defect
  • B. Binding energy
  • C. Nuclear fusion
  • D. Nuclear fission
Q. In a number system where 'A' represents 10, 'B' represents 11, and 'C' represents 12, what is the decimal equivalent of 'BAC'?
  • A. 186
  • B. 187
  • C. 188
  • D. 189
Q. In a p-n junction diode, what happens when it is forward biased?
  • A. Depletion region widens
  • B. Current flows easily
  • C. No current flows
  • D. Reverse breakdown occurs
Q. In a p-n junction diode, what happens when it is reverse-biased?
  • A. Current flows freely
  • B. Depletion region widens
  • C. Holes move towards the n-side
  • D. Electrons move towards the p-side
Q. In a p-n junction, what happens when the junction is forward biased? (2019)
  • A. Depletion region widens
  • B. Depletion region narrows
  • C. No current flows
  • D. Reverse current increases
Q. In a p-n junction, what is formed at the junction region?
  • A. Electric field
  • B. Magnetic field
  • C. Thermal field
  • D. Gravitational field
Q. In a p-n junction, what is the region called where no charge carriers are present?
  • A. Depletion region
  • B. Conduction band
  • C. Valence band
  • D. Neutral zone
Q. In a p-n junction, what is the region called where no charge carriers exist?
  • A. Depletion region
  • B. Conduction band
  • C. Valence band
  • D. Neutral zone
Q. In a p-n junction, which type of charge carriers are majority carriers in the p-type region? (2019)
  • A. Electrons
  • B. Holes
  • C. Protons
  • D. Neutrons
Q. In a p-n junction, which type of charge carriers are predominant in the p-type region? (2019)
  • A. Electrons
  • B. Holes
  • C. Protons
  • D. Neutrons
Q. In a pair of vertically opposite angles, if one angle measures 120 degrees, what is the measure of the other angle? (2021)
  • A. 60 degrees
  • B. 120 degrees
  • C. 180 degrees
  • D. 90 degrees
Q. In a parallel circuit with three resistors of 2Ω, 3Ω, and 6Ω, what is the equivalent resistance?
  • A.
  • B.
  • C.
  • D.
Q. In a parallel circuit with three resistors of 6 ohms, 12 ohms, and 18 ohms, what is the equivalent resistance?
  • A. 3 ohms
  • B. 4 ohms
  • C. 2 ohms
  • D. 1 ohm
Q. In a parallel circuit with three resistors of values 2Ω, 3Ω, and 6Ω, what is the equivalent resistance?
  • A.
  • B.
  • C.
  • D.
Q. In a parallel circuit with three resistors of values 6 ohms, 3 ohms, and 2 ohms, what is the equivalent resistance?
  • A. 1.5 ohms
  • B. 2 ohms
  • C. 2.5 ohms
  • D. 3 ohms
Q. In a parallel circuit with three resistors R1 = 2Ω, R2 = 3Ω, and R3 = 6Ω, what is the equivalent resistance?
  • A.
  • B.
  • C.
  • D.
Q. In a parallel circuit with two resistors of 4 ohms and 6 ohms, what is the equivalent resistance?
  • A. 2.4 ohms
  • B. 10 ohms
  • C. 24 ohms
  • D. 12 ohms
Q. In a parallel circuit with two resistors of 4 ohms and 6 ohms, what is the total current if the voltage across the circuit is 12V?
  • A. 2 A
  • B. 3 A
  • C. 4 A
  • D. 5 A
Q. In a parallel circuit with two resistors of 4 ohms and 6 ohms, what is the total current if the voltage across the circuit is 12 V?
  • A. 2 A
  • B. 3 A
  • C. 4 A
  • D. 5 A
Q. In a parallel circuit with two resistors of 4Ω and 12Ω, what is the total current if the voltage across the circuit is 24V? (2022)
  • A. 4A
  • B. 6A
  • C. 8A
  • D. 10A
Q. In a parallel circuit with two resistors of 4Ω and 12Ω, what is the total current if the voltage across them is 24V? (2022)
  • A. 6A
  • B. 8A
  • C. 4A
  • D. 2A
Q. In a parallel circuit with two resistors of 4Ω and 6Ω, what is the total current if the voltage across the circuit is 12V?
  • A. 2A
  • B. 3A
  • C. 4A
  • D. 6A
Q. In a parallel circuit with two resistors of 6 ohms and 3 ohms, what is the equivalent resistance?
  • A. 2 ohms
  • B. 4 ohms
  • C. 1.5 ohms
  • D. 9 ohms
Q. In a parallel circuit with two resistors of 6 ohms and 3 ohms, what is the total resistance?
  • A. 2 ohms
  • B. 4 ohms
  • C. 1.5 ohms
  • D. 9 ohms
Q. In a parallel circuit with two resistors of 6Ω and 3Ω, what is the total current if a 12V battery is connected? (2021)
  • A. 2A
  • B. 4A
  • C. 6A
  • D. 8A
Q. In a parallel circuit with two resistors of 6Ω and 3Ω, what is the total resistance? (2019)
  • A.
  • B.
  • C. 1.5Ω
  • D.
Q. In a parallel circuit with two resistors of 8Ω and 4Ω, what is the total current if the voltage across the circuit is 16V? (2022)
  • A. 2A
  • B. 4A
  • C. 6A
  • D. 8A
Showing 8041 to 8070 of 20875 (696 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely