Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the 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 The ability of charged bodies to exert force on one another is attributed to the existence of neutrons. electric field. electrons. protons. neutrons. electric field. electrons. protons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watt × metre2. Watt × metre. Watt/metre. Watts/metre2. Watt × metre2. Watt × metre. Watt/metre. Watts/metre2. 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 80π coulombs. 40π coulombs. none of these. 10π coulombs. 80π coulombs. 40π coulombs. none of these. 10π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Medium frequency Microwave frequency Low frequency High frequency Medium frequency Microwave frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP