A. 10 webers
B. 10 webers
C. 10 webers
D. 10 webers
Related Mcqs:
- One telsa is equal to___________?
A. 1 Wb/mm2
B. 1 Wb/m
C. 1 Wb/m2
D. 1 mWb/m2 - The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is________________?
A. proportional to 7
B. proportional to X
C. proportional to distance between the conductors
D. inversely proportional to I - For which of the following materials the net magnetic moment should be zero ?
A. Diamagnetic materials
B. Ferrimagnetic materials
C. Antiferromagnetic materials
D. Antiferrimagnetic materials - Which of the following statements is correct ?
A. The magnetic flux inside an exciting coil is lower than its outside surface
B. The magnetic flux inside an exciting coil is zero
C. The magnetic flux inside the exciting coil is greater than its outside surface
D. The magnetic flux inside the exciting coil is same as on its outside surface - 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 - he retentivity (a property) of material is useful for the construction of__________?
A. permanent magnets
B. transformers
C. non-magnetic substances
D. electromagnets - The unit of flux is the same as that of_______________?
A. reluctance
B. resistance
C. permeance
D. pole strength - 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 - The main constituent of permalloy is_____________?
A. cobalt
B. chromium
C. nickel
D. tungsten - Indicate which of the following material does not retain magnetism permanently
A. Soft iron
B. Stainless steel
C. Hardened steel
D. None of the above
