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WorksheetsBEE MCQS Electrical
Total questions: 24
Worksheet time: 12mins
The magnetic lines of force are also knowas lines of _____.
Magnetic flux
Magnetic field
The magnetic lines of force are ___ and do not have any physical existence.
Virtual
maginary
It is ___ to define the path of magnetic flux
Possible
NOT possible
Magnetic flux density is measured in ___ and denoted by B
Wb/m²
m²/Wb
A ___ N pole is the N pole with a strength of 1Wb
Standard
Unit
The magnetic flux density is measured in ___
Weber/m²
Weber/m³
The magnetic flux is defined as the total number of ___ in a magnetic field
Lines of force
Magnetic poles
The ___ is defined as the total number of lines of force in a magnetic field
Field strength
Magnetic flux
.___ is defined as the flux radiated out by a unit N pole
Flux per unit pole
One weber
The ___ is defined as the region near a magnet within the effect or influence of the magnet is felt
Magnetic field
Magnetic flux
The permeability of nonmagnetic material is ___
Arbitrary
low
The absolute permeability is measured in ___
Henry
Henry per m
All the magnetic material such as iron, steel etc have ___
High permeability
High reluctance
.___ is an important property of materials. It is defined as the ability of a material to carry the flux lines
Permittivity
Permeability
The units of relative permeability is ___
Henry
No units
If the relative permeability of cast steel is 1400 find absolute permeability
1400
1.76 ×10-³
μ0 is defined as ___
Relative permeability
PPermeability Of free space
MMF can be defined as ___ on a unit magnetic pole to take it around a closer magnetic circuit once
Work done
force
.___ is responsible for the generation of flux in a magnetic circuit
EMF
MMF
The ratio of magnetic flux density in a particular medium to the magnetic field strength which produces that flux density is defined as the ___ of that material
..permeance
..Absolute Permeability
The resistance in electric circuit in analogous to ___magnetic circuit
Permeability
Reluctance
The reluctance does not change much with ___
Flux density
Temperature
magnetic circuit is defined as the closed path followed by the ___
Reluctance
Flux
___is defined as the reciprocal of reluctance
.. permeance
Permeability
