Duke Energy Corporation (Holding Company) · NYSE:DUK

Duke Energy Corporation (Holding Company) — Investor Presentation (December 2010)

6 slides from Duke Energy Corporation (Holding Company)'s investor presentation, December 2010

  1. Slide 1: Electric Generation and Transmission

    Electric Generation and Transmission

  2. Slide 2: Atoms

    Atoms = “— a. a 2 "* Electrons rf The Atom me Protons (+) ¢ Neutrons (neutral) - 'e Nucleus- the center y of the atom. Formed & F by protons and neutrons.

  3. Slide 3: Insulators and Conductors

    Tt . = ~*~ Insulators and Conductors > a — = 4 os - 2 — = Insulators Conductors Slow down or stop electrons. Allow electrons to move easily. Rubber, wood, glass and plastic Copper and iron are great are great insulators. conductors. You are a great ‘ conductor, too! TAKE CARE WHEN USING ELECTRICITY

  4. Slide 4: The turbine

    The turbine turns the generator, which produces electricity. — amatgtony, The power ¥ plant makes ' steam from heating water.

  5. Slide 5: How Electricity Gets to Your Home

    | Plow Brectriaty Gets toVor fiflome | 0) ELECTRICITY (S GenerateD KA Power ELECTRICITY TRAVELS PUNT ACKDSS THE PROVINGe ON “TRANSMISSION LINES

  6. Slide 6: Light travels in a straight line

    _— : Ao * Travels in a straight line. * Reflection - occurs when light energy bounces off an object it strikes Refraction - is the bending : of light travelling through different substances with different amounts of thickness. a

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