Quiz  /  MCQ On Inductance

  • 1. 
    Mutual inductance between two magnetically coupled coils depends on

  • Permeability of the core material
  • Number of turns of the coils
  • The cross-sectional area of their common core
  • All of the above

  • 2. 
    What will be the inductance if the iron core is removed from the iron cored coil to make it air-cored coil?

  • More
  • Less
  • The same
  • None

  • 3. 
    Which of the following circuit elements will oppose the change in circuit current?

  • Lesser its weber-turns
  • Emf induced is low
  • Greater the flux produced
  • Longer the delay in establishing a steady current through it

  • 4. 
    The inductance of the coil is not affected by which of the following?

  • Capacitance
  • Inductance
  • Resistance
  • All of the above

  • 5. 
    In a small inductance:

  • Storing energy as a magnetic field.
  • A wire piece is charged
  • Introducing resistance into a circuit
  • Choking off high-frequency ac

  • 6. 
    The phenomenon due to which there is an induced current in one coil due to the current in a neighbouring coil is?

  • The length of the coil
  • Number of turns
  • The material of the core
  • The diameter of the wire

  • 7. 
    The combination of the same two inductors (33 mH and 55 mH) connected in parallel without mutual inductance will have a value of

  • Large current flow
  • Energy is stored and released quickly
  • Small current flow
  • Energy is stored and released slowly

  • 8. 
    Three inductance with the values 4 NH, 140 μH, and 5 H are connected in series without mutual inductance. For practical purposes, the net inductance will be very close to

  • Mutual inductance
  • Steady current
  • Electromagnetism
  • Susceptance
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