Electric Potential and Point Charges Calculation

Play an AI-generated podcast conversation about this lesson

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?

Physics (A) Signup and view all the answers

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

The Feynman Lectures on Physics (B) Signup and view all the answers

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

Halliday & Resnick: Fundamentals of Physics (B) Signup and view all the answers

What is electric potential energy?

The work needed to move an electric charge against an electric field (C) Signup and view all the answers

What is the SI unit of electric potential energy?

Joule / Coulomb (D) Signup and view all the answers

What is the formula for calculating electric potential energy?

$U = kqq / r$ (C) Signup and view all the answers

How is electric potential defined?

Work needed to move an electric charge along an electric field (C) Signup and view all the answers

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

$-1.29 \times 10^6 J$ (A) Signup and view all the answers

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

It decreases by a factor of 2 (C) 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?

-6.25 V (B) Signup and view all the answers

What does the SI unit Volt (V) represent?

Electric potential energy per unit charge (C) Signup and view all the answers

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

-7.96 V (C) 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?

It increases by a factor of 3 (B) Signup and view all the answers

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

-9.63 V (D) 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?

It increases by a factor of 2 (B) 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?

4.55 x 10^-1 J (B) Signup and view all the answers

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

7.83 x 10^4 V (A) 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?

9.08 x 10^-7 J (A) Signup and view all the answers

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

6.92 m (B) 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?

9.06 pC (A) 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?

9.81 x 10^-2 J (D) Signup and view all the answers