Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 100 nj. 40 nj. 20 nj. 60 nj. 100 nj. 40 nj. 20 nj. 60 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div curl A. Curl curl A. Grad div A. Div grad V. Div curl A. Curl curl A. Grad div A. Div grad V. 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. 144 μN. 1144 μN. 244 μN. 1440 μN. 144 μN. 1144 μN. 244 μN. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Zero. Infinity. Unity. Depends on strength of current element. Zero. Infinity. Unity. Depends on strength of current element. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? A quarter wave line A half wave line Short-circuited stub Balun transformer A quarter wave line A half wave line Short-circuited stub Balun transformer ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at The ground surface. Midway between the conductor and ground. The lower surface of the conductor. The upper surface of the conductor. The ground surface. Midway between the conductor and ground. The lower surface of the conductor. The upper surface of the conductor. ANSWER DOWNLOAD EXAMIANS APP
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