Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of protons. neutrons. electric field. electrons. protons. neutrons. electric field. electrons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is decreasing towards centre. zero. increasing towards centre. none of above. decreasing towards centre. zero. increasing towards centre. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Depends on strength of current element. Unity. Infinity. Zero. Depends on strength of current element. Unity. Infinity. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Self inductance of magnetic coil is proportional to N. N2. 1 / N. 1 / N2. N. N2. 1 / N. 1 / N2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 75 V. 150 V. 37.5 V. 50 V. 75 V. 150 V. 37.5 V. 50 V. 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 none of these. 40π coulombs. 10π coulombs. 80π coulombs. none of these. 40π coulombs. 10π coulombs. 80π coulombs. ANSWER DOWNLOAD EXAMIANS APP
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