Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR/d. PR/d2. PR 2/d3. Zero. PR/d. PR/d2. PR 2/d3. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of neutrons. electrons. electric field. protons. neutrons. electrons. electric field. protons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at upper surface of the conductor. midway between the conductor and ground. lower surface of the conductor. the ground surface. upper surface of the conductor. midway between the conductor and ground. lower surface of the conductor. the ground surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 24 mH. 12 mH. 48 mH. 3 mH. 24 mH. 12 mH. 48 mH. 3 mH. 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. static induced emf. virtually induced emf. None of these dynamically induced emf. static induced emf. virtually induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by, V × D² V² / D V / D V × D V × D² V² / D V / D V × D ANSWER DOWNLOAD EXAMIANS APP