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 40π C. None of above. 10 C. 5 C. 40π C. None of above. 10 C. 5 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to magnetic field. voltage across the inductor. none of them. both (A) and (B). magnetic field. voltage across the inductor. none of them. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . None of these Transmission Refraction Reflection None of these Transmission Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 0.6m. 6.25m. 5.25m. 0.5m. 0.6m. 6.25m. 5.25m. 0.5m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Hysteresis. Retentivity. Coercivity. Saturation magnetism. Hysteresis. Retentivity. Coercivity. Saturation magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory RF inductor are characterized by high current rating and high resistance. low current rating and high resistance. high current rating and low resistance. low current rating and low resistance. high current rating and high resistance. low current rating and high resistance. high current rating and low resistance. low current rating and low resistance. ANSWER DOWNLOAD EXAMIANS APP
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