Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 20 amp dc. 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 20 amp dc. 1 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. generator. choke. thermocouple. transformer. generator. choke. thermocouple. 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. 500. 100. None of these. 1000. 500. 100. None of these. 1000. 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? Depends on strength of current element. Unity. Infinity. Zero. Depends on strength of current element. Unity. Infinity. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 1. 0.5. 4. 2. 1. 0.5. 4. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP