Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Wave frequency Distance of the point from the antenna Current of the antenna Antenna height Wave frequency Distance of the point from the antenna Current of the antenna 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. none of these. 80π coulombs. 40π coulombs. 10π coulombs. none of these. 80π coulombs. 40π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? None of these Only conduction current. Both conduction and displacement current. Only displacement current. None of these Only conduction current. Both conduction and displacement current. Only displacement current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. short time rating. cooling. overload capacity. rating. short time rating. cooling. overload capacity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is infinite. zero. none of tha above. finite. infinite. zero. none of tha above. finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Energy radiated per square metre Power radiated per square metre Power radiated per unit solid angle in that direction None of these Energy radiated per square metre Power radiated per square metre Power radiated per unit solid angle in that direction None of these ANSWER DOWNLOAD EXAMIANS APP
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