Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv/3 C/m2. aρv C/m2. ρv/3 C/m2. aρv/4 C/m2. aρv/3 C/m2. 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. 80π coulombs. 10π coulombs. 40π coulombs. none of these. 80π coulombs. 10π coulombs. 40π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass high frequencies. to pass low frequencies. to block low frequencies. none of above. to pass high frequencies. to pass low frequencies. to block low frequencies. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by, V² / D V / D V × D² V × D V² / D V / D V × D² V × D ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Point to point communication All of these Radio astronomy Tv broadcast Point to point communication All of these Radio astronomy Tv broadcast ANSWER DOWNLOAD EXAMIANS APP
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