Mutual Inductance Multiple Choice Questions and Answers

11.  Mutual inductance between two magnetically coupled coils depends on

   A. Permeability of the core material

   B. Number of turns of the coils

   C. Cross sectional area of their common core

   D. All of the above

12.  Which of the following is unit of inductance?

   A. Ohm

   B. Henry

   C. Ampere turns

   D. Webers/meter

13.  If in an iron cored coil the iron core is removed so as to make the air cored coil, the inductance of the coil will be

   A. More

   B. Less

   C. The same

   D. None of these

14.  Higher the self-inductance of a coil

   A. Lesser its weber-turns

   B. Lower the emf induced

   C. Greater the flux produced by it

   D. Longer the delay in establishing steady current through it

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

   A. Capacitance

   B. Inductance

   C. Resistance

   D. All of the above

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