Calculating Electron Energy from Potential Difference

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Homework Help Overview

The discussion revolves around calculating the final energy of an electron accelerated through a potential difference of 1.5 MeV. The subject area includes concepts related to electric potential and energy units in physics.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the relationship between potential difference and energy, with some questioning the definition of the electron volt and its application to the problem. Others express confusion regarding the answer provided and seek further clarification.

Discussion Status

The discussion includes attempts to clarify the concept of electron volts and how it relates to the energy of the electron. Some participants have offered definitions and explanations, while others are still seeking a deeper understanding of the reasoning behind the answer.

Contextual Notes

There appears to be some confusion regarding the conversion between potential difference and energy units, as well as the definitions of relevant terms. Participants are encouraged to reference external resources for further understanding.

soso
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Currents-- Please Help

An electron is accelerated from rest through a potential difference of 1.5Mv. what is the final energy of the electron.
 
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1.5 MeV.

- Warren
 
Confused

Sorry.. i do not understand the answer... can u please provide more detail.. sorry for the inconvenience... thank you.
 
Look up the definition of the unit of energy called an "electron volt."

- Warren
 
Joules

I think the anser has to be with the units Jouls and using the formula w=v*Q
 
?

I understand the concept of the electron volt.. but why is the answer 1.5 Mev.
 
The energy acquired by an electron when accelerated through a potential difference of 1 volt is 1 electron volt. The energy acquired by an electron when accelerated through a potential difference of 1.5 MV is 1.5 MeV.

- Warren
 
Thank you, Warren.

Warren- thank you so much for your help.. ur a life saver.. i really appreciate it.. take care.
 
  • #10


Originally posted by soso
Warren- thank you so much for your help.. ur a life saver.. i really appreciate it.. take care.
Does the answer make complete sense? I want to make sure you understand how what I just said comes directly from the definition of the eV.

- Warren
 

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