An initially stationary positron at point A is accelerated to point B due to the presence of a uniform electric field. The change in electric potential energy of the charge is -4.80 × 10-19 J. A positron is an anti-electron that has a charge of +e while its mass is the same as that of an electron. (i) Find the work done to move the positron from point A to point B. (ii) Determine the potential difference when the positron is moved from point A to point B. (iii) Given that the potential at point A is -5.00 V, calculate the potential at point B.

An initially stationary positron at point A is accelerated to point B due to the presence of a uniform electric field. The change in electric potential energy of the charge is -4.80 × 10-19 J. A positron is an anti-electron that has a charge of +e while its mass is the same as that of an electron. (i) Find the work done to move the positron from point A to point B. (ii) Determine the potential difference when the positron is moved from point A to point B. (iii) Given that the potential at point A is -5.00 V, calculate the potential at point B.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 7CQ

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