The left hand rule correlates to
current magnetic field and direction of force on a conductor
self induction mutual induction and direction of force on a conductor
magnetic field electric field and direction of force on a conductor
current induced e.m.f. and direction of force on a conductor
current magnetic field and direction of force on a conductor
The unit of relative permeability is
it is dimensionless
henry
henry/metre
henry/sq. m
it is dimensionless
Ferrites are materials.
none of the above
ferromagnetic
paramagnetic
diamagnetic
ferromagnetic
Air gap has_______eluctance as compared to iron or steel path
lower
little
higher
zero
lower
The direction of magnetic lines of force is
none of the above
from one end of the magnet to another
from south pole to north pole
from north pole to south pole
from north pole to south pole
Which of the following is a vector quantity ?
Relative permeability
Flux density
Magnetic field intensity
Magnetic potential
Magnetic field intensity
In the left hand rule forefinger always represents
magnetic field
direction of force on the conductor
current
voltage
magnetic field
Which of the following is a ferromagnetic material ?
Nickel
Aluminium
Tungsten
Copper
Nickel
Ferrites are a sub-group of
paramagnetic materials
ferri-magnetic materials
non-magnetic materials
ferro-magnetic materials
ferri-magnetic materials
Gilbert is a unit of
magnetomotive force
electromotive force
conductance
permittivity
magnetomotive force
पोस्ट अच्छी लगी हो तो प्लीज नीचे दिए गए लिंक पर क्लिक कर शेयर जरुर करें
0 Comments