Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant flux. to decrease the stored energy at constant mmf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to volume change density. Zero. Equal to the surface charge density. Equal to total charge enclosed by the surface. Equal to volume change density. Zero. Equal to the surface charge density. Equal to total charge enclosed by the surface. 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 244 μN. 1440 μN. 1144 μN. 144 μN. 244 μN. 1440 μN. 1144 μN. 144 μN. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. inversely proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. 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 Tropospheric scatter is used with frequencies in the VLF UHF HF VHF VLF UHF HF VHF ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS