Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 5 C. 10 C. None of above. 40π C. 5 C. 10 C. None of above. 40π C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is attractive. none of above. repulsive. zero. attractive. none of above. repulsive. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 1. 8. 2. 4. 1. 8. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 3 mH. 48 mH. 12 mH. 24 mH. 3 mH. 48 mH. 12 mH. 24 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 2 A/m. 1 A/m. 8 A/m. 4 A/m. 2 A/m. 1 A/m. 8 A/m. 4 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 6664.8 N. 832.29 N. 3332.47 N. 1666.22 N. 6664.8 N. 832.29 N. 3332.47 N. 1666.22 N. ANSWER DOWNLOAD EXAMIANS APP
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