Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = 0. Divergence of B = J. Curl of B = J. Curl of B = 0. Divergence of B = 0. Divergence of B = J. Curl of B = J. Curl of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 6 db 2.15 db 4.15 db 3 db 6 db 2.15 db 4.15 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil remains same irrespective of the frequency. none of these. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. none of these. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n × k = 0. n = K. n = - k. n. k = 0. n × k = 0. n = K. n = - k. n. k = 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 60° to the direction of field. 45° to the direction of field. 30° to the direction of field. 75° to the direction of field. 60° to the direction of field. 45° to the direction of field. 30° to the direction of field. 75° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 2.52 V. 2.62 V. 1.31 V. 1.26 V. 2.52 V. 2.62 V. 1.31 V. 1.26 V. ANSWER DOWNLOAD EXAMIANS APP
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