Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div grad V. Curl curl A. Div curl A. Grad div A. Div grad V. Curl curl A. Div curl A. Grad div A. 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 80π coulombs. 40π coulombs. 10π coulombs. none of these. 80π coulombs. 40π coulombs. 10π coulombs. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to Both of A and B. A dipole. A monopole. A quardra pole. Both of A and B. A dipole. A monopole. A quardra pole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 250. 145. 225. 150. 250. 145. 225. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 24t. 12t. 4t3. 12t3. 24t. 12t. 4t3. 12t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in both. None of above. on outer surface in hollow and throughout in solid. on outer surface in hollow and throughout in solid on outer surface in both. None of above. on outer surface in hollow and throughout in solid. on outer surface in hollow and throughout in solid ANSWER DOWNLOAD EXAMIANS APP
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