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Electromagnetic Field Theory
Gradient of scalar field is expressed as
Gradient of divergence of a vector field minus the curl of the vector field.
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.
Maximum rate of increase of scalar function at a point.
Gradient of divergence of a vector field minus the curl of the vector field.
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.
Maximum rate of increase of scalar function at a point.
Answer
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Electromagnetic Field Theory
When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0.
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Electromagnetic Field Theory
Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is
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A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is
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The drawback of Daltons atomic structure is that, it says
unique nature of atom.
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Answer
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Electromagnetic Field Theory
What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it?
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Answer
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