Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A monopole. A quardra pole. Both of A and B. A dipole. A monopole. A quardra pole. Both of A and B. A dipole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is 80π coulombs. 40π coulombs. none of these. 10π coulombs. 80π coulombs. 40π coulombs. none of these. 10π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as All of these hysteresis. flux. permeance. All of these hysteresis. flux. permeance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The direction of the conductor None of these The value of current The weight of the conductor The direction of the conductor None of these The value of current The weight of the conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is Both A and B Constant Unity None of these Both A and B Constant Unity None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called dynamically induced emf. virtually induced emf. None of these static induced emf. dynamically induced emf. virtually induced emf. None of these static induced emf. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS