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(fgure 2 both bulbs dimmed to the same brightness the

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Unformatted text preview: (fgure 2), both bulbs dimmed to the same brightness. The same current oF charges ¡owed through the frst bulb and dropped " oF its voltage, but the same amount oF charge per second also ¡owed through the second bulb, but with only halF the voltage. Since intensity depends on both voltage and current, a decreased voltage results in decreased intensity. Within experimental error, the values measured by the ammeter and voltmeter agreed with the observations (Table 1). Voltage was divided in series connection so that two bulbs oF identical resistance each got halF the voltage. Sample Discussion When two light bulbs were connected in series (fgure 2), both bulbs dimmed to the same brightness. The same current oF charges ¡owed through the frst bulb and dropped " oF its voltage, but the same amount oF charge per second also ¡owed through the second bulb, but with only halF the voltage. Since intensity depends on both voltage and current, a decreased voltage results in decreased intensity. Within experimental error, the values measured by the ammeter and voltmeter agreed with the observations (Table 1). Voltage was divided in series connection so that two bulbs oF identical resistance each got halF the voltage. Sample Discussion Results Analysis Interpretation When an extra wire was connected across the two terminals of one bulb, that bulb became dark. This was due to a short circuit around that bulb because the wire, with a smaller resistance than the bulb, allowed the electrons to by-pass the bulb. The second bulb became brighter because it was acting like the only bulb in the circuit as the Frst bulb was by-passed. Sample Discussion Continued When an extra wire was connected across the two terminals of one bulb, that bulb became dark. This was due to a short circuit around that bulb because the wire, with a smaller resistance than the bulb, allowed the electrons to by-pass the bulb. The second bulb became brighter because it was acting like the only bulb in the circuit as the Frst bulb was by-passed. 66 words Sample Discussion Continued When an extra wire was connected across the terminals of one bulb, it created a short circuit. The wire’s lower resistance allowed electrons to by-pass the bulb, leaving it dark. The second bulb became brighter because it acted like the only bulb in the circuit. By Clustering and limiting the subjects the paragraph gets simpler and clearer 45 words • Where logically possible, cluster similar ideas together • Cluster together points about a single thing (e.g. wire vs. bulb) • Clustering allows a reader to keep focus on a point • Clustering allows you to create paragraphs that hold together well • Creating stable subjects – ones that you can use in more than one sentence – simpliFes the reader’s comprehension tasks An organizing principle Penultimately… conclusions The speed of sound in a plastic rod is 733 ±11 m/s. The three lowest resonance frequencies of the plastic rod, which are 8±5.2 Hz, 1221.7±21.0 Hz and 1832±47.2 Hz, agree with the experimental value. •...
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  • Fall '08
  • Irish
  • Atomic Radius, Electrical impedance, Kirchhoff's circuit laws, Unknown Metal Sample, voltage division rule, lowest resonance frequencies

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