Electromagnetic oscillograph

An electromagnetic oscillograph is an oscillograph which measures variations of electric current by having it go through a magnetic coil. Variations in current induce momentum in the coil, which can be directly measured.

The electromagnetic oscillograph was invented by William Duddell.

单词	Electromagnetic oscillograph
释义	Electromagnetic oscillograph 英语百科 Electromagnetic oscillograph An electromagnetic oscillograph is an oscillograph which measures variations of electric current by having it go through a magnetic coil. Variations in current induce momentum in the coil, which can be directly measured. The electromagnetic oscillograph was invented by William Duddell.
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