Major Competitive Exams

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Q. What is the effect of increasing the current in a wire on the magnetic field around it?
  • A. Increases the magnetic field
  • B. Decreases the magnetic field
  • C. No effect on the magnetic field
  • D. Reverses the direction of the magnetic field
Q. What is the effect of increasing the curvature of a lens on its focal length?
  • A. Focal length increases
  • B. Focal length decreases
  • C. Focal length remains the same
  • D. Focal length becomes zero
Q. What is the effect of increasing the damping coefficient on the amplitude of oscillation in a damped oscillator?
  • A. Increases amplitude
  • B. Decreases amplitude
  • C. No effect
  • D. Doubles amplitude
Q. What is the effect of increasing the diameter of the potentiometer wire on its resistance?
  • A. Resistance increases
  • B. Resistance decreases
  • C. Resistance remains the same
  • D. Resistance becomes zero
Q. What is the effect of increasing the distance between the plates of a capacitor on its capacitance? (2022)
  • A. Increases capacitance
  • B. Decreases capacitance
  • C. No effect
  • D. Doubles capacitance
Q. What is the effect of increasing the distance between the slits in a double-slit experiment on the interference pattern?
  • A. Fringe width increases
  • B. Fringe width decreases
  • C. Fringe intensity increases
  • D. Fringe intensity decreases
Q. What is the effect of increasing the distance between the slits in a double-slit experiment on the fringe separation?
  • A. Increases fringe separation
  • B. Decreases fringe separation
  • C. No effect
  • D. Fringe separation becomes zero
Q. What is the effect of increasing the distance from a current-carrying wire on the magnetic field strength?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. What is the effect of increasing the distance from a long straight conductor on the magnetic field strength?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero
Q. What is the effect of increasing the distance from a long straight current-carrying wire on the magnetic field strength?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. What is the effect of increasing the distance from a long straight wire on the magnetic field strength?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. What is the effect of increasing the distance from the pivot point on the torque produced by a force?
  • A. Torque increases
  • B. Torque decreases
  • C. Torque remains the same
  • D. Torque becomes zero
Q. What is the effect of increasing the frequency of AC on the inductive reactance? (2021)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero
Q. What is the effect of increasing the frequency of an AC source on the inductive reactance of a circuit?
  • A. It decreases
  • B. It remains the same
  • C. It increases
  • D. It becomes zero
Q. What is the effect of increasing the frequency of an AC source on the inductive reactance? (2023)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero
Q. What is the effect of increasing the frequency of incident light on the photoelectric current?
  • A. Increases indefinitely
  • B. Decreases
  • C. Remains constant
  • D. Increases until a threshold frequency is reached
Q. What is the effect of increasing the frequency of the AC supply on the inductive reactance? (2020)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero
Q. What is the effect of increasing the frequency of the alternating current in an inductor?
  • A. Inductive reactance decreases
  • B. Inductive reactance increases
  • C. Inductive reactance remains constant
  • D. Inductive reactance becomes zero
Q. What is the effect of increasing the frequency on the capacitive reactance in an AC circuit? (2022)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of increasing the frequency on the capacitive reactance?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of increasing the frequency on the impedance of a capacitor in an AC circuit? (2020)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes infinite
Q. What is the effect of increasing the frequency on the impedance of a capacitor? (2023)
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes infinite
Q. What is the effect of increasing the frequency on the impedance of a series RLC circuit?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on R, L, and C
Q. What is the effect of increasing the frequency on the impedance of an inductor?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of increasing the frequency on the inductive reactance in an AC circuit? (2022)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of increasing the frequency on the total impedance of an RLC circuit? (2020)
  • A. It always increases
  • B. It always decreases
  • C. It can increase or decrease
  • D. It remains constant
Q. What is the effect of increasing the height of a satellite on its orbital speed?
  • A. Increases speed
  • B. Decreases speed
  • C. No effect
  • D. Doubles speed
Q. What is the effect of increasing the intensity of light on the energy of emitted photoelectrons?
  • A. Increases energy
  • B. Decreases energy
  • C. No effect on energy
  • D. Energy becomes negative
Q. What is the effect of increasing the intensity of light on the energy of emitted electrons in the photoelectric effect?
  • A. It increases the energy
  • B. It decreases the energy
  • C. It does not affect the energy
  • D. It can either increase or decrease the energy
Q. What is the effect of increasing the intensity of light on the maximum kinetic energy of emitted electrons?
  • A. It increases
  • B. It decreases
  • C. It remains the same
  • D. It becomes zero
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