A. reluctance
B. resistance
C. permeance
D. pole strength
Related Mcqs:
- Which of the following is not a unit of flux?
A. Maxwell
B. Telsa
C. Weber
D. All of the above - Which of the following is the unit of magnetic flux density ?
A. weber
B. lumens
C. tesla
D. none of the above - Gilbert is a unit of_______________?
A. electromotive force
B. magnetomotive force
C. conductance
D. permittivity - The stray line of magnetic flux is defined as_____________?
A. a line vertical to the flux lines
B. the mean length of a ring shaped coil
C. a line of magnetic flux in a non-uniform field
D. a line of magnetic flux which does not follow the designed path - The materials are a bit inferior conductors of magnetic flux than air
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. dielectric - A 200 turn coil having an axial length of 30 mm and a radius of 10 mm is pivoted in a magnetic field having a flux density of 0.8 T. If the coil carries a current of 0.5 A, the torque acting on the coil will be_____________?
A. 8 N-m
B. 0.48 N-m
C. 0.048 N-m
D. 0.0048 N-m - A 300 mm long conductor is carrying a current of 10 A and is situated at right angles to a magnetic field having a flux density of 0.8 T ; the force on the conductor will be____________?
A. 240 N
B. 24 N
C. 2.4 N
D. 0.24 N - 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 - Ferrites are a sub-group of_______________?
A. non-magnetic materials
B. ferro-magnetic materials
C. paramagnetic materials
D. ferri-magnetic materials
