Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 6 db 4.15 db 2.15 db 3 db 6 db 4.15 db 2.15 db 3 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m 1440 μN. 1144 μN. 244 μN. 144 μN. 1440 μN. 1144 μN. 244 μN. 144 μN. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 0.5 J. 1.15 J. 0.15 J. 0.015 J. 0.5 J. 1.15 J. 0.15 J. 0.015 J. 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 The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Coercivity. Retentivity. Hysteresis. Saturation magnetism. Coercivity. Retentivity. Hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? Anywhere. Along the axis of the magnetic field. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Anywhere. Along the axis of the magnetic field. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
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