Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.39 m. 1.19 m. 1.29 m. 1.59 m. 1.39 m. 1.19 m. 1.29 m. 1.59 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 300 to 3000 kHz 3000 to 30000 MHz 3 to 30 kHz 30000 to 300000 MHz 300 to 3000 kHz 3000 to 30000 MHz 3 to 30 kHz 30000 to 300000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to rotating only. Zero. Due to both rotating and transformer action. Due to transformer only. Due to rotating only. Zero. Due to both rotating and transformer action. Due to transformer only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. volume current only. surface current only. filament current only. (A), (B), and (D) are all correct. 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. 80π coulombs. none of these. 10π coulombs. 40π coulombs. 80π coulombs. none of these. 10π coulombs. ANSWER DOWNLOAD EXAMIANS APP
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