Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 30° to the direction of field. 45° to the direction of field. 60° to the direction of field. 75° to the direction of field. 30° to the direction of field. 45° to the direction of field. 60° to the direction of field. 75° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0. 0.335 C. None of above. 0.335/sinθ c. 0. 0.335 C. None of above. 0.335/sinθ c. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? If is gradient of a scalar potential. The potential difference between two points is zero. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. If is gradient of a scalar potential. The potential difference between two points is zero. The work done in a closed path inside the fields is zero. If the curl of E is identically zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Infinity. Unity. Depends on strength of current element. Zero. Infinity. Unity. Depends on strength of current element. Zero. 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 zero. 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. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetostriction is a phenomenon of generation of magnetism in electrical conductors. generation of electricity in ferromagnetic materials. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. generation of electricity in ferromagnetic materials. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. ANSWER DOWNLOAD EXAMIANS APP
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