Electromagnetic Field Theory A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be 113.04 µH. 37.68 µH. 37.68 mH. 113.04 mH. 113.04 µH. 37.68 µH. 37.68 mH. 113.04 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is repulsive. attractive. none of above. zero. repulsive. attractive. none of above. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in both. None of above. on outer surface in hollow and throughout in solid. on outer surface in hollow and throughout in solid on outer surface in both. None of above. on outer surface in hollow and throughout in solid. on outer surface in hollow and throughout in solid ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 45° to the direction of field. 75° to the direction of field. 60° to the direction of field. 30° to the direction of field. 45° to the direction of field. 75° to the direction of field. 60° to the direction of field. 30° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The drawback of Daltons atomic structure is that, it says most of the volume of an atom is empty space. the atoms can neither be created nor be destroyed. none of these. unique nature of atom. most of the volume of an atom is empty space. the atoms can neither be created nor be destroyed. none of these. unique nature of atom. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Hysteresis. Coercivity. Retentivity. Saturation magnetism. Hysteresis. Coercivity. Retentivity. ANSWER DOWNLOAD EXAMIANS APP
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