This video shows that the electric field and the electric potential are very closely related. Indeed, if we know the electric potential, we can find the electr here. However, even when we know the electric field, we cannot quite find the electric potential. What can we find? Select the best choice.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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This is the video for part a: 

https://www.youtube.com/watch?v=PvUbzn05gnM&t=122s&ab_channel=ExpertTA

 

Part (a) This video shows that the electric field and the electric potential are very closely related. Indeed, if we know the electric potential, we can find the electric field
everywhere. However, even when we know the electric field, we cannot quite find the electric potential. What can we find? Select the best choice.
O None of the other choices correctly describes what we can find.
We can find the electric potential difference at every point.
O We can find the electric potential difference only between particular pairs of points.
O We can find the electric potential difference between any two points.
O We can find the electric potential only at particular points.
Part (b) Where is the potential due a line charge zero?
OIt's never zero
O At the wire
O Anywhere you pick
O At infinity
At any particular non-infinite point you pick
Part (c) Fill in the blanks: The surface of a conductor is
surface and the electric field is
OA normal, inwards from
OA normal, parallel to
O An equipotential, parallel to
O An equipotential, outwards from
OA normal, perpendicular to
OA normal, outwards from
O An equipotential, inwards from
O An equipotential, perpendicular to
this surface.
Transcribed Image Text:Part (a) This video shows that the electric field and the electric potential are very closely related. Indeed, if we know the electric potential, we can find the electric field everywhere. However, even when we know the electric field, we cannot quite find the electric potential. What can we find? Select the best choice. O None of the other choices correctly describes what we can find. We can find the electric potential difference at every point. O We can find the electric potential difference only between particular pairs of points. O We can find the electric potential difference between any two points. O We can find the electric potential only at particular points. Part (b) Where is the potential due a line charge zero? OIt's never zero O At the wire O Anywhere you pick O At infinity At any particular non-infinite point you pick Part (c) Fill in the blanks: The surface of a conductor is surface and the electric field is OA normal, inwards from OA normal, parallel to O An equipotential, parallel to O An equipotential, outwards from OA normal, perpendicular to OA normal, outwards from O An equipotential, inwards from O An equipotential, perpendicular to this surface.
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