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Sci 8/9 Final Exam Review

  •  English    48     Public
    Electricity, Light & Optics, Chemistry
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  • Another name for heat energy
    thermal
  •  15
  • Energy from the sun is called
    solar energy
  •  15
  • What energy transformation happens in a battery powered flash light? (3)
    chemical -> electrical -> light
  •  20
  • A circuit that has only one path for electricity to flow is called a
    series circuit
  •  15
  • Which letter represents the normal?
    B
  •  15
  • Which letter represents the angle of reflection?
    E
  •  15
  • Which letter represents the incident ray?
    A
  •  15
  • Transparent, translucent, opaque - allows all light to pass through
    transparent
  •  15
  • The voltage is the same/different everywhere in a parallel circuit
    Same
  •  15
  • I = 10 A; R = 1500 ohms; V = ?
    15 000V
  •  15
  • I = ?; R = 200 ohms; V = 240 V
    1.2 A
  •  15
  • I = 15 A; R = ?; V = 110 V
    7.33 ohms
  •  15
  • P = 6 W; I = 3A; V =?
    2 V
  •  15
  • A 615 watt refrigerator runs 24 per day. How much would cost at 8 cents per KwH to run for a month?
    $35.42
  •  20
  • When a light ray travels from a less dense to more dense medium, it will...
    slow down or refract towards the normal
  •  15
  • A concave lens makes light rays that pass through it converge/diverge?
    diverge
  •  15