Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = J. Curl of B = 0. Divergence of B = 0. Curl of B = J. Divergence of B = J. Curl of B = 0. Divergence of B = 0. Curl of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop antenna is a commonly used for Satellite communication Radar Direction finding All of these Satellite communication Radar Direction finding All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 1000. 100. None of these. 500. 1000. 100. None of these. 500. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? An emf is induced in both coils. Equal joule heating occurs in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. An emf is induced in both coils. Equal joule heating occurs in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. 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 60° to the direction of field. 45° to the direction of field. 75° to the direction of field. 30° to the direction of field. 60° to the direction of field. 45° to the direction of field. 75° to the direction of field. 30° to the direction of field. 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 0. – uy. – 2 ux. 2 ux. 0. – uy. – 2 ux. 2 ux. ANSWER DOWNLOAD EXAMIANS APP
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