Air-core coils are practically free from______________?

Related Mcqs:

Which of the following is not a unit of inductance ?

A. Henry B. Coulomb/volt ampere C. Volt second per ampere D. All of the above...

Which of the fpllowing inductor will have the least eddy current losses ?

A. Air core B. Laminated iron core C. Iron core D. Powdered iron core...

Weber is the unit of_____________?

A. Magnetic field intensity B. magnetic induction C. magnetic flux D. self-inductance...

Lagging of changes in the magnetization of a substance behind changes in the magnetic field as the magnetic field is varied is known as magnetic_____________?

A. Retaintivity B. Permeability C. Flux D. Hysteresis...

Self inductance of a coil depends upon________________?

A. current flowing B. number of turns per unit length C. voltage produce D. all...