Magnetism And Electromagnetism Multiple Choice Questions and Answers
1. The ratio of intensity of magnetisation to the magnetisation force is known as
A. Flux density
B. Susceptibility
C. Relative permeability
D. None of the above
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B. Susceptibility
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2. 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
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3. 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
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4. The magnetic reluctance of a material
A. Decreases with increasing cross-sectional area of material
B. Increases with increasing cross-sectional area of material
C. Does not vary with increasing cross-sectional area of material
D. Any of the above
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5. The unit of flux is the same as that of
A. Reluctance
B. Resistance
C. Permeance
D. Pole strength
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