Hi Everyone,

I have a pretty difficult problem that I would really appreciate some
help in solving.

I need to measure the current induced in a conductor by a strong
magnetic field. I need to do this without using any conductive
material in the magnetic field since this will induce current in the
measurement equipment and trash the results.

Here are ideas that I've been tossing around but do not have a real
grasp on.

Can I use some light emitting diode and pump the light out in a fiber
optic cable and sample it away from the experimental setup?

Can I submerge the conductor in a liquid, measure heat generated by the
current?

I'm at a loss on how to approach this problem, any advice?

Thanks!

Hi Everyone,

I have a pretty difficult problem that I would really appreciate some
help in solving.

I need to measure the current induced in a conductor by a strong
magnetic field.

I need to do this without using any conductive
material in the magnetic field since this will induce current in the
measurement equipment and trash the results.

Here are ideas that I've been tossing around but do not have a real
grasp on.

Can I use some light emitting diode and pump the light out in a fiber
optic cable and sample it away from the experimental setup?

Can I submerge the conductor in a liquid, measure heat generated by the
current?

I'm at a loss on how to approach this problem, any advice?

Hi Everyone,

I have a pretty difficult problem that I would really appreciate some
help in solving.

I need to measure the current induced in a conductor by a strong
magnetic field. I need to do this without using any conductive
material in the magnetic field since this will induce current in the
measurement equipment and trash the results.

Here are ideas that I've been tossing around but do not have a real
grasp on.

Can I use some light emitting diode and pump the light out in a fiber
optic cable and sample it away from the experimental setup?

Can I submerge the conductor in a liquid, measure heat generated by the
current?

I'm at a loss on how to approach this problem, any advice?

Thanks!

OK, I guess I need to clarify my problem.

And by the way, this is not a class assignment as some of you have
implied. This is for a very serious application. But it so happens
that I am not an electrical engineer, and so i may have phrased my
question in a manner that was peculiar to those skilled in the art.

I have a conductive, metallic device (see geometry below) that is
submerged in a liquid solution. This entire setup is subjected to a
high intensity
varying magnetic field (dB/dt).

What I need to measure is the intensity of currents induced into this
conductive device. For example, imagine my device looks like this:

**********
***********************************************************B
A *******
***********************************************************C
**********

I want to measure if any currents are flowing from A-C, A-B and B-C.
And I also need to estimate the intensity of those currents. I need
to measure currents as low as 1 milliAmp.

My problem. If I hook this up to standard measuring instruments, the
strong magnetic field will/may induce currents in the actual measuring
apparatus and thus my reading would be completely wrong. I'm at a
loss as to how I can achieve this measurement. Fiber optics method?
anything?

Thanks everyone,

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