WorksheetsEMT QUIZ 3
Total questions: 10
Worksheet time: 5mins
What may be defined as equal to the lines of force passing normally through a unit cross section at that point?
Electric intensity
Magnetic flux density
Electric flux
None of the above
Electric intensity at any point in an electric field is equal to the ________ at that point.
electric flux
magnetic flux density
potential gradient
none of the above
Electric displacement is a ______ quantity.
scalar
vector
both of the above
none of the above
______ at a point is equal to the negative potential gradient at that point.
Electric intensity
Electric flux
Magnetic flux
Magnetic flux density
The unit of dielectric strength is given by
V/m
V2/m
m/V
m/V2
Is that property of a coil which delays any change of voltage across it.
Inductance
Capacitance
Potential gradient
None of the above
The direction of magnetic lines of force is
from south pole to north pole
from north pole to south pole
from one end of the magnet to another
none of the above
When an iron piece is placed in a magnetic field
the magnetic lines of force will bend away from their usual paths in order to go away from the piece
the magnetic lines of force will bend away from their usual paths in order to pass through the piece
the magnetic field will not be affected
the iron piece will break
Fleming's left hand rule is used to find
direction of magnetic field due to current carrying conductor
direction of flux in a solenoid
direction of force on a current carrying conductor in a magnetic field
polarity of a magnetic pole
The ratio of intensity of magnetisation to the magnetisation force is known as
flux density
susceptibility
relative permeability
none of the above
