'Signal travels' presentation slideshows

Mathematics of Planet Earth

Mathematics of Planet Earth. Discovering the Earth. Putting mathematical glasses to discover:. its shape and size: Eratosthenes (3rd century BC) its mass: Newton (18th century) its age: Kelvin, Perry, etc. (19th century) its interior: Dixon Oldham, Lehmann (20th century)

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463 views • 36 slides

Quiz 4

Quiz 4. Radio Waves. What is the difference between AM and FM radio waves? What kind of current is created by spinning a coil through a magnet?. How Antennae pick up Signals. The electromagnetic wave of the signal travels across the antenna, inducing current through the antenna.

148 views • 5 slides