Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per square metre Power radiated per unit solid angle in that direction Energy radiated per square metre None of these Power radiated per square metre Power radiated per unit solid angle in that direction Energy radiated per square metre None of these 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? Unity. Infinity. Zero. Depends on strength of current element. Unity. Infinity. Zero. Depends on strength of current element. 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 40π coulombs. none of these. 80π coulombs. 10π coulombs. 40π coulombs. none of these. 80π coulombs. 10π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a open circuit. short circuit. depends on magnitude of voltage. depends on polarity. open circuit. short circuit. depends on magnitude of voltage. depends on polarity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Medium frequency Low frequency High frequency Microwave frequency Medium frequency Low frequency High frequency Microwave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a thermocouple. transformer. generator. choke. thermocouple. transformer. generator. choke. ANSWER DOWNLOAD EXAMIANS APP
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