Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. permeability of core. the number of their turns. all of above. cross sectional area of their common core. permeability of core. the number of their turns. all of above. 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 10π coulombs. 80π coulombs. 40π coulombs. none of these. 10π coulombs. 80π coulombs. 40π coulombs. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? Point-to-point communication Radio astronomy TV broadcast All of these Point-to-point communication Radio astronomy TV broadcast All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of rotor rotation. None of these magnetic field. induced emf. rotor rotation. None of these magnetic field. induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Faraday Fleming Maxwell Lenz Faraday Fleming Maxwell Lenz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 200 V. 1800 V. 900 V. 0 V. 200 V. 1800 V. 900 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP