Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + V × B). q(E +V × H). q(H + V × E). q(E + B × V). q(E + V × B). q(E +V × H). q(H + V × E). q(E + B × V). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Infinite Zero Very low Very high Infinite Zero Very low ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 113.04 μH. 1.1304 μH. 3.768 μH. 37.68 μH. 113.04 μH. 1.1304 μH. 3.768 μH. 37.68 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is Q / 6. Q / 4π. 4πQ / 6ε. Q / 6ε. Q / 6. Q / 4π. 4πQ / 6ε. Q / 6ε. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Coercivity. Hysteresis. Retentivity. Saturation magnetism. Coercivity. Hysteresis. Retentivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger incident wave None of these A stronger reflected wave A standing wave which is not progressing A stronger incident wave None of these A stronger reflected wave A standing wave which is not progressing ANSWER DOWNLOAD EXAMIANS APP
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