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Chapter 28: Fundamentals of Circuits

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Pages: 766 - 795

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95 Questions for Chapter 28: Fundamentals of Circuits

  1. Rank in order, from largest to smallest, the currents Iato Idthrough the four resistors in FIGURE

    Found on Page 789
  2. Draw a circuit diagram for the circuit of FIGURE EX28.1.

    Found on Page 790
  3. The five identical bulbs in FIGURE EX28.10are all glowing. The battery is ideal. What is the order of brightness of the bulbs, from brightest to dimmest? Some may b

    Found on Page 790
  4. Bulbs A, B, and C in FIGURE Q28.10 are identical, and all are glowing.

    Found on Page 789
  5. Bulbs A and B in FIGURE Q28.11 are identical, and both are glowing. Bulb B is removed from its socket. Does the potential difference ∆V12between points 1 and 2 increase, stay the same, decrease, or become zero? Explain.

    Found on Page 789
  6. The five identical bulbs in FIGURE EX28.11are all glowing. The battery is ideal. What is the order of brightness of the bulbs, from brightest to dimmest? Some may

    Found on Page 790
  7. 1kWhis how many joules?

    Found on Page 790
  8. Bulbs A and B in FIGURE Q28.12 are identical, and both are glowing. What happens to each bulb when the switch is closed? Does its brightness increase, stay the same, decrease, or go out? Explain

    Found on Page 789
  9. A standard 100W(120V)lightbulb contains a 7.0cm-long tungsten filament. The high-temperature resistivity of tungsten is 9.0×10-7Ωm. What is the diameter of the filament?

    Found on Page 790
  10. FIGURE Q28.13 shows the voltage as a function of time of a capacitor as it is discharged (separately) through three different resistors. Rank in order, from largest to smallest, the values of the resistances R1toR3

    Found on Page 789

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