Re: [Phys-l] induced electric field

[Carl Mungan <mungan@usna.edu>]

> I think this is how one could proceed, but please correct me: We can 
> obtain E-vector as 1/4*pi multiplied by a "Helmholtz" (in this case 
> a "Biot-Savart") type integral of R-vector cross-producted with (c 
> k-hat) divided by the cube of the magnitude of R-vector. Here 
> R-vector is defined as the difference between the field position 
> (r-vector) and the source position (r'-vector), and the integral is 
> a volume integral over all source elements. Also c is the (constant) 
> value of dB/dt where k-hat is the unit vector along the z-axis. 
> Cylindrical coordinates are used, with axes aligned along the 
> symmetry axes of the square solenoid.

Oops, I meant to say use cylindrical coordinates for the circular 
solenoid, and rectangular coordinates for the square one.
--
Carl E Mungan, Assoc Prof of Physics  410-293-6680 (O) -3729 (F)
Naval Academy Stop 9c, 572C Holloway Rd, Annapolis MD 21402-1363
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