Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will remain the same. increase. initially increase and then decrease. decrease. remain the same. increase. initially increase and then decrease. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric current. Commutator. Copper conductors. Electric fields. Electric current. Commutator. Copper conductors. Electric fields. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 2 ux. – 2 ux. 0. – uy. 2 ux. – 2 ux. 0. – uy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere meter. Ampere. Ampere-meter square. Coulomb. Ampere meter. Ampere. Ampere-meter square. Coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetostriction is a phenomenon of 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. generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is. 0.88 mm. 1.32 mm. 0. 1.77 mm. 0.88 mm. 1.32 mm. 0. 1.77 mm. ANSWER DOWNLOAD EXAMIANS APP
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