Engineering, 15.04.2020 21:05, BARRION1981
A current source with density J=dx ax + Jy ay + Jz az is generating a magnetic field with vector potential A=5x ax - 6xy ay + 18xyz az Wb/m. Answer the following parts of the question while considering the permeability of the medium to be u. Use "mu" to denote "u". Question A-i: Find an expression for the magnetic field density B=Bx ax + By ay +Bz az • B- B2 = Question A-ii: Find an expression for the current density J • Jy = • Jy =
Answers: 2
Engineering, 04.07.2019 18:10, skpdancer1605
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 18:10, leomessifanboy678
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
Answers: 2
A current source with density J=dx ax + Jy ay + Jz az is generating a magnetic field with vector pot...
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