A. Maxwell
B. Telsa
C. Weber
D. All of the above
Related Mcqs:
- Which of the following is the unit of magnetic flux density ?
A. weber
B. lumens
C. tesla
D. none of the above - The unit of flux is the same as that of_______________?
A. reluctance
B. resistance
C. permeance
D. pole strength - 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 - Unit for quantity of electricity is_____________?
A. ampere-hour
B. watt
C. joule
D. coulomb - A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ?
A. 63.38 N/Wb
B. 633.8 N/Wb
C. 6338 N/Wb
D. 63380 N/Wb - Gilbert is a unit of_______________?
A. electromotive force
B. magnetomotive force
C. conductance
D. permittivity - The unit of relative permeability is_____________?
A. henry/metre
B. henry
C. henry/sq. m
D. it is dimensionless
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