Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 25 W. 15 W. 20 W. 50 W. 25 W. 15 W. 20 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Gradient of scalar field is expressed as Outward flux of a vector field per unit volume as the volume about the point tends to zero. Circulation of a vector field per unit area as the area tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. Maximum rate of increase of scalar function at a point. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Circulation of a vector field per unit area as the area tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. Maximum rate of increase of scalar function at a point. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as lines of force. tubes of indication. none of them. magnetic flux. lines of force. tubes of indication. none of them. magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 64 A / s. 4 A / s. 32 A / s. 16 A / s. 64 A / s. 4 A / s. 32 A / s. 16 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil sinθ. Bil cosθ. BIL. zero. Bil sinθ. Bil cosθ. BIL. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height No relation Equal to Less than Higher than No relation Equal to Less than Higher than ANSWER DOWNLOAD EXAMIANS APP
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