Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on permeability of core. the number of their turns. cross sectional area of their common core. all of above. permeability of core. the number of their turns. cross sectional area of their common core. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 50. 75. 1/75. 100. 50. 75. 1/75. 100. ANSWER DOWNLOAD EXAMIANS APP
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 50 W. 15 W. 25 W. 20 W. 50 W. 15 W. 25 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) Zero. PR 2/d3. PR/d2. PR/d. Zero. PR 2/d3. PR/d2. PR/d. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 1 amp 100 Hz. 1 amp 1 Hz. 1 amp dc. 20 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 1 amp dc. 20 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is double the field produced by one plate. same as that produced by one plate. dependent on coordinates of field points. zero. double the field produced by one plate. same as that produced by one plate. dependent on coordinates of field points. zero. ANSWER DOWNLOAD EXAMIANS APP