Re: Scoping I-V phase shift through L

To: tesla-at-pupman-dot-com
Subject: Re: Scoping I-V phase shift through L
From: "Jim Lux" <jimlux-at-jpl.nasa.gov> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Fri, 12 Nov 1999 17:08:55 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Put a small resistor in series and measure the voltage across it. I= E/R.
Watch the grounding so you don't blow up the scope

----------
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Scoping I-V phase shift through L
> Date: Thursday, November 11, 1999 11:21 AM
> 
> Original Poster: David Trimmell <davidt-at-pond-dot-net> 
> 
> Hello,
> 
> I have heard many folks on this list talk about using a 0-scope to
measure
> current and voltage phase shifting through a inductor (at least I think
> that is what was being done :-)). How do you do it? I have no idea how I
> would measure current on a scope. I have a older analog dual trace scope,
> and am interested in (if possible) trying to measure how much a inductor
(a
> transformer) causes the voltage and current to go out of phase. If this
can
> be done with a scope and other commonly available equipment I would be
very
> happy if someone could explain it to me. 
> 
> Regards,
> 
> David Trimmell
> 
>