Electromagnetic Field Theory Magnetostriction is a phenomenon of generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. change in permeability of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. change in permeability of ferromagnetic materials during magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Reactive power of the circuit is zero. Actual power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Actual power of the circuit is zero. Apparent power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. 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. dependent on coordinates of field points. zero. same as that produced by one plate. double the field produced by one plate. dependent on coordinates of field points. zero. same as that produced by one plate. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside None of above. on outer surface in both. on outer surface in hollow and throughout in solid on outer surface in hollow and throughout in solid. None of above. on outer surface in both. 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 According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to both (A) and (B). voltage across the inductor. none of them. magnetic field. both (A) and (B). voltage across the inductor. none of them. magnetic field. ANSWER DOWNLOAD EXAMIANS APP