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Electric Potential and Point Charges Calculation
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Electric Potential and Point Charges Calculation

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Questions and Answers

Who is the author of the book 'Physics for Scientists and Engineers'?

  • Gibilisco, S.
  • Feynman, Richard P., Leighton, Robert B., and Sands, Matthew
  • Young, Hugh D., and Freedman, Roger A. (correct)
  • Fishbane, Paul, Gasiorowicz, Stephen, and Thornton, Stephen
  • In which book can you find the statement 'Science never solves a problem without creating ten more'?

  • Physics for Scientists and Engineers
  • University Physics
  • Electrical and Electronic Components
  • The Feynman Lectures on Physics (correct)
  • Which book is not authored by a single individual but by a group of authors?

  • University Physics
  • Physics for Scientists and Engineers (correct)
  • Teach Yourself Electricity and Electronics
  • Halliday & Resnick: Fundamentals of Physics
  • Which book is the oldest among the ones mentioned?

    <p>Physics</p> Signup and view all the answers

    Which book has the subtitle 'The Definitive and Extended Edition'?

    <p>The Feynman Lectures on Physics</p> Signup and view all the answers

    Which book was published by John Wiley & Sons in 2008?

    <p>Halliday &amp; Resnick: Fundamentals of Physics</p> Signup and view all the answers

    What is electric potential energy?

    <p>The work needed to move an electric charge against an electric field</p> Signup and view all the answers

    What is the SI unit of electric potential energy?

    <p>Joule / Coulomb</p> Signup and view all the answers

    What is the formula for calculating electric potential energy?

    <p>$U = kqq / r$</p> Signup and view all the answers

    How is electric potential defined?

    <p>Work needed to move an electric charge along an electric field</p> Signup and view all the answers

    In Example 1, what is the electric potential energy of the system?

    <p>$-1.29 \times 10^6 J$</p> Signup and view all the answers

    In Example 5, if the distance from the point charge is doubled, what happens to the electric potential?

    <p>It decreases by a factor of 2</p> Signup and view all the answers

    What is the electric potential at a distance of 3.5 cm from a point charge of 2.5 nC?

    <p>-6.25 V</p> Signup and view all the answers

    What does the SI unit Volt (V) represent?

    <p>Electric potential energy per unit charge</p> Signup and view all the answers

    What is the electric potential at point A due to charge q1 = -3.8 nC from Example 6?

    <p>-7.96 V</p> Signup and view all the answers

    If the charge q2 in Example 6 is increased by a factor of 3, what effect does this have on the electric potential at point A?

    <p>It increases by a factor of 3</p> Signup and view all the answers

    What is the total electric potential at point A from charge q1 and q2 in Example 6?

    <p>-9.63 V</p> Signup and view all the answers

    If the distance between charges q1 and q2 in Example 6 is halved, what happens to the electric potential at point A?

    <p>It increases by a factor of 2</p> Signup and view all the answers

    What is the electric potential energy of a charge of 6.41 µC at a distance of 2.7012 m from a charge of 15.73 µC?

    <p>4.55 x 10^-1 J</p> Signup and view all the answers

    What is the electric potential at a distance of 39.05 nm from a 12.16 pC charge?

    <p>7.83 x 10^4 V</p> Signup and view all the answers

    How much electric potential energy is possessed by a charge of 4.39 x 10^-8 C at a point where the electric potential is 20.7 V?

    <p>9.08 x 10^-7 J</p> Signup and view all the answers

    At what distance from a charge of 14.79 µC does the electric potential equal 30.6 V?

    <p>6.92 m</p> Signup and view all the answers

    If the electric potential at a point is 16.2 V due to a charge, how much charge is present if the distance is 29.05 nm?

    <p>9.06 pC</p> Signup and view all the answers

    What is the electric potential energy between two charges when one is 5.37 µC and the other is 19.4 µC separated by a distance of 18.2 m?

    <p>9.81 x 10^-2 J</p> Signup and view all the answers

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