Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 0 mH. 20 mH. 10 mH. 5 mH. 0 mH. 20 mH. 10 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 1000. None of these. 100. 500. 1000. None of these. 100. 500. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω / π. ω. ω/2π. ω/4π. ω / π. ω. ω/2π. ω/4π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to decrease the stored energy at constant mmf. to decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the stored energy at constant flux. to decrease the co-energy at constant mmf. to increase the stored energy at constant flux. 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 1.31 V. 2.52 V. 2.62 V. 1.26 V. 1.31 V. 2.52 V. 2.62 V. 1.26 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Loss coefficient Transmission efficiency None of these Front to back ratio Loss coefficient Transmission efficiency None of these Front to back ratio ANSWER DOWNLOAD EXAMIANS APP