The use of permanent magnets is. not made in_____________? A. magnetoes B. energy metersC. transformers D. loud-speakers

Two infinitely long parallel conductors in vacuum any separated 1 metre between centers >then a current of 1 ampere flows the. uk each conductor, produce on each other a force of_________________? A. 2 x 1(T2 N/m) B. 2 x KT3…

The main constituent of permalloy is_____________? A. cobalt B. chromiumC. nickel D. tungsten

Paramagnetic materials have relative permeability________________? A. slightly less than unity B. equal to unityC. slightly more than unity D. equal to that ferromagnetic mate rials

Gilbert is a unit of_______________? A. electromotive forceB. magnetomotive force C. conductance D. permittivity

Substances which have permeability less than the permeability of free space are known as_____________? A. ferromagnetic B. paramagneticC. diamagnetic D. bipolar

In the left hand rule, forefinger always represents______________? A. voltage B. currentC. magnetic field D. direction of force on the conductor

Ferrites are a sub-group of_______________? A. non-magnetic materials B. ferro-magnetic materials C. paramagnetic materialsD. ferri-magnetic materials

Reciprocal of permeability is____________? A. reluctivity B. susceptibility C. permittivity D. conductance