Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0. 0.335/sinθ c. 0.335 C. None of above. 0. 0.335/sinθ c. 0.335 C. None of above. 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/4π. ω / π. ω/2π. ω. ω/4π. ω / π. ω/2π. ω. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law J = σE V = RI I = GV All of these J = σE V = RI I = GV All of these 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 None of these Transmission efficiency Loss coefficient Front to back ratio None of these Transmission efficiency Loss coefficient Front to back ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave A standing wave which is not progressing None of these A stronger incident wave A stronger reflected wave A standing wave which is not progressing None of these A stronger incident wave ANSWER DOWNLOAD EXAMIANS APP