'Constant relationship' diaporamas de présentation

Chapter 17

Chapter 17. Current and Resistance. A Bit of History. Ancient Greeks Observed electric and magnetic phenomena as early as 700 BC Found that amber, when rubbed, became electrified and attracted pieces of straw or feathers Magnetic forces were discovered by observing magnetite attracting iron.

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Visual Display Of Static Information

Visual Display Of Static Information. ANATOMY OF THE HUMAN EYE. The eye is nearly spherical - diameter 20-25 mm It is surrounded by two membranes: Cornea - covers the front surface of the eye Sclera - joins the cornea encloses the eye. CORNEA. The cornea is curved and clear.

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