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. 40π C. 10 C. None of above. 5 C. 40π C. 10 C. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 10 mH. 0 mH. 5 mH. 20 mH. 10 mH. 0 mH. 5 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic vector potential due to a single conductor carrying current is infinite. finite. none of tha above. zero. infinite. finite. none of tha above. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 75. 1/75. 100. 50. 75. 1/75. 100. 50. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 15 W. 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the flux density of the magnetic field. rate of change of flux linkage. amount of flux linkage. amount of flux cut. flux density of the magnetic field. rate of change of flux linkage. amount of flux linkage. amount of flux cut. ANSWER DOWNLOAD EXAMIANS APP