Relative permeability of vacuum is?
Relative permeability of vacuum is 1.
The relative permeability of a ferromagnetic material is? Answer : The relative permeability of a ferromagnetic material is more than 100 or 1000. ...
State the values of permeability of free space and relative permeability of air.
The velocity of travelling wave through a cable of relative permittivity 36 is Answer : The velocity of travelling wave through a cable of relative permittivity 36 is 0.5 x 108 m/sec ...
The bridge most suited for accurate measurement of relative permittivity of dielectric materials is (A) Carey Foster Bridge (B) Anderson’s bridge (C) Heaviside Bridge modified by Campbell. (D) Schering Bridge. Answer : The bridge most suited for accurate measurement of relative permittivity of dielectric materials is Schering Bridge. ...
(a) Define permeability. (b) Define MMF. (c) Define form factor of an alternating quantity. (d) Define frequency and time period of an alternating quality. (e) Define transformation ratio of transformer. ... and state the meaning of each term used. (g) Give two applications of single phase motors. Answer : Permeability : It is the ability of a magnetic/Non magnetic material to allow setting up of flux in it. MMF : The magneto motive force (MMF) is the force required to setup flux in a magnetic / ... applications of single phase motors : Water pumps, ceiling fan, lathe machine ...
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