A. ampere-hour
B. watt
C. joule
D. coulomb
Related Mcqs:
- The unit of relative permeability is_____________?
A. henry/metre
B. henry
C. henry/sq. m
D. it is dimensionless - Which of the following is a vector quantity ?
A. Relative permeability
B. Magnetic field intensity
C. Flux density
D. Magnetic potential - The main constituent of permalloy is_____________?
A. cobalt
B. chromium
C. nickel
D. tungsten - The unit of flux is the same as that of_______________?
A. reluctance
B. resistance
C. permeance
D. pole strength - 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 - 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 - Tesla is a unit of_____________?
A. field strength
B. inductance
C. flux density
D. flux - he retentivity (a property) of material is useful for the construction of__________?
A. permanent magnets
B. transformers
C. non-magnetic substances
D. electromagnets
