Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = J. Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. Curl of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low permeability. both a and b. low hysteresis loss. high permeability. low permeability. both a and b. low hysteresis loss. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Unity Constant Both A and B None of these Unity Constant Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.8 π V. Zero. 0.4 π V. 8 π V. 0.8 π V. Zero. 0.4 π V. 8 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Semicircle Elliptical Cardoid or Limacon Circle Semicircle Elliptical Cardoid or Limacon Circle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. ANSWER DOWNLOAD EXAMIANS APP
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