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Article #9644

E -FIELDS

#9644
From: Scott Knaffla
Date: Tue, 22 Jan 1991 19:12
24 lines
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	HELLO ALL, THIS IS MY FIRST POSTING SO PLEASE BEAR WITH.

MY SISTER HAS TO DO A SCIENCE PROJECT AND I VOLUNTEERED TO HELP.
HER SUBJECT IS JAMES MAXWELL. SHE MUST DO A SMALL PRESENTATION
ON SOME OF HIS WORK. I SUGGESTED DEMONSTRATION CONSISTING OF
A BATTERY, PIECE OF WIRE, SWITCH, AND IRON FILINGS. I PROCEEDED
TO HOOK IT ALL UP. I HOOK UP A 6 VOLT LANTERN BATTERY TO THE 
SWITCH AND A PIECE OF SOLID 10 GAUGE WIRE BACK TO THE BATTERY.
I PLACE THE WIRE THROUGH A PIECE OF CARD BOARD WITH IRON FILINGS
SPRINKLED ON IT. CLOSING THE SWITCH I EXPECTED TO SEE THEN FILINGS
FROM SOME CONCENTRIC CIRCLES FROM THE ELECTROMAGNETIC FIELD GENERATED
FROM THE BATTERY. TO MY SURPRISE NOTHING HAPPENED, I BROUGHT A
MAGNET BY THE FILINGS AND THEY WERE ALL ATTRACTED TO IT.
SHOULD I TRY A HIGHER VOLTAGE? (I.E. CONNECT SEVERAL BATTERIES
IN SERIES) OR IS MY GAUGE OF WIRE WRONG? OR COULD IT BE THAT
THE BATTERY ISN'T PRODUCING ENOUGH CURRENT?

PLEASE MAIL ALL RELIES TO knaffla@miller.cs.uwm.edu SO AS NOT
TO WASTE BANDWIDTH. ALL REPLIES WILL BE GREATLY APPRECIATED

	THANKS IN ADVANCE,

		SCOTT
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From: knaffla@miller.cs.uwm.edu (Scott Knaffla)
Newsgroups: sci.electronics
Subject: E -FIELDS
Keywords: E - FIELDS
Message-ID: <9089@uwm.edu>
Date: 22 Jan 91 19:12:12 GMT
Sender: news@uwm.edu
Reply-To: knaffla@miller.cs.uwm.edu (Scott Knaffla)
Organization: University of Wisconsin - Milwaukee
Lines: 24