Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A monopole. Both of A and B. A dipole. A quardra pole. A monopole. Both of A and B. A dipole. A quardra pole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Constant None of these Both A and B Unity Constant None of these Both A and B Unity 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. – uy. 2 ux. 0. – 2 ux. – uy. 2 ux. 0. 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 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. 30° to the direction of field. 45° to the direction of field. 60° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Copper conductors. Electric current. Electric fields. Commutator. Copper conductors. Electric current. Electric fields. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Reflection None of these Transmission Refraction Reflection None of these Transmission Refraction ANSWER DOWNLOAD EXAMIANS APP
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