Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A standing wave which is not progressing A stronger reflected wave A stronger incident wave None of these A standing wave which is not progressing A stronger reflected wave A stronger incident wave None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as tubes of indication. lines of force. none of them. magnetic flux. tubes of indication. lines of force. none of them. magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction Ex = Ey = 0, By = Bz = 0. None of these. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. Ex = Ey = 0, By = Bz = 0. None of these. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 18.08 A. 2.28 A. 4.56 A. 9.04 A. 18.08 A. 2.28 A. 4.56 A. 9.04 A. 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 Front to back ratio Transmission efficiency None of these Loss coefficient Front to back ratio Transmission efficiency None of these Loss coefficient ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Coulombs law for the force between electric charges most closely resembles with Newtons law of gravitation. Gauss theorem. Newtons law of motion. Law of conservation of energy. Newtons law of gravitation. Gauss theorem. Newtons law of motion. Law of conservation of energy. ANSWER DOWNLOAD EXAMIANS APP