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MAGNETIC FIELD LINES: CURRENT THRU A SOLENOID<br />
Field Traced By Iron Filings<br />
A solenoid consists of wire wound into a helix & can be considered to be a series of closely spaced current loops.  The field is the same as that of a permanent magnet with the same shape.

Fphoto-27899010-2RM.jpg

MAGNETIC FIELD LINES: CURRENT THRU A SOLENOID
Field Traced By Iron Filings
A solenoid consists of wire wound into a helix & can be considered to be a series of closely spaced current loops. The field is the same as that of a permanent magnet with the same shape.

Copyright:© 1990 Richard Megna - Fundamental Photographs

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Richard Megna