A. non-magnetic materials
B. ferro-magnetic materials
C. paramagnetic materials
D. ferri-magnetic materials
Related Mcqs:
- Ferrites are materials
A. paramagnetic
B. diamagnetic
C. ferromagnetic
D. none of the above - he retentivity (a property) of material is useful for the construction of_______________?
A. permanent magnets
B. transformers
C. non-magnetic substances
D. electromagnets - The Biot-savart’s law is a general modification of_______________?
A. Kirchhoffs law
B. Lenz’s law
C. Ampere’s law
D. Faraday’s laws - The unit of flux is the same as that of_______________?
A. reluctance
B. resistance
C. permeance
D. pole strength - Gilbert is a unit of_______________?
A. electromotive force
B. magnetomotive force
C. conductance
D. permittivity - Which of the following statements is correct ?
A. The conductivity of ferrites is better than ferromagnetic materials
B. The conductivity of ferromagnetic materials is better than ferrites
C. The conductivity of ferrites is very high
D. The conductivity of ferrites is same as that of ferromagnetic materials - The uniform magnetic field is______________?
A. the field of a set of parallel conductors
B. the field of a single conductor
C. the field in which all lines of magnetic flux are parallel and equidistant
D. none of the above - The commonly used material for shielding or screening magnetism is____________?
A. copper
B. aluminium
C. soft iron
D. brass - Which of the following is the unit of magnetic flux density ?
A. weber
B. lumens
C. tesla
D. none of the above - The force between two long parallel conductors is inversely proportional to_____________?
A. radius of conductors
B. current in one conductor
C. product of current in two conductors
D. distance between the conductors
