Electromagnetic field demonstration. Iron filings placed on a card beneath a rudimentary electromagnetic composed of a copper coil around two metal bars carrying a current. The shape of the magnetic field is revealed by the pattern of the filings.

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Creative#:

TOP16630847

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

N/A

Property Release:

N/A

Right to Privacy:

No

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