Re: [Phys-l] Kirchhoff's laws, or not

[Bernard Cleyet <bernardcleyet@redshift.com>]

Exception?   fuse cords (domestic power) and dropping resistor ones.

IIRC, fuse ones are still available (Digikey, et al.)   Haven't see tother since the fifties -- used in AC/DC radios.


Finally (we've been thru this before.)   var. reluctance "pickups" require about 60dB gain at the preamp.  I've cut the shield at the plug and run a wire from the common (earth) of the pickup to the RCA phono plug.  Late found most commercial turntables did this.

bc


On 2010, Jul 07, , at 14:17, John Denker wrote:

> Components spliced into cables?  That's something they
> teach at clown college, not in engineering school.
>  1a) Sometimes the shield should be interrupted.
>   In this case, it should be interrupted properly,
>   with overlapping shielding, and it should be
>   interrupted at one end or the other, not in the
>   middle.