# Hint 4 find a new expression for the electric field

• 40
• 100% (1) 1 out of 1 people found this document helpful

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 37 - 40 out of 40 pages.

==
Hint 5.Putting it all togetherInformation about the electric field at a particular point was given in the introduction, so the potential differencebetween the wire and the cylinder can now be calculated at that point.
CorrectIt is also possible to find the potential difference between the inner wire and the outer cylinder by integrating theelectric field fromto, and then fromto, using the givenvalue of the field atas an intermediate integration limit. However, this is much more difficult to do,since the charge per unit length on the wire is not known, and is not necessary if you instead find an expression forthe electric field in terms of the potential difference.
Hint 4.Find a new expression for the electric fieldUsing the equation for the potential differencethat was found in Hint 3, rewrite the expression for theterms of electric fieldand the radial distanceExpress your answer in terms of some or all the variables,,,, and any appropriate constants.in.
Anderson Video - Metals in Electrostatic EquilibriumFirst, launch the videoMetals in Electrostatic Equilibrium. After watching the video, answer the follow-up question below.Part AWhich of the following is NOT true of a charged metal?..
Part AWhat amount of work does a force do pushing a positive charge forward along an equipotential line?
CorrectProblem 23.61A long metal cylinder with radiusis supported on an insulating stand on the axis of a long, hollow, metal tube with radius. Thepositive charge per unit length on the inner cylinder is, and there is an equal negative charge per unit length on the outercylinder.Part ACalculate the potentialfor. (Hint:The net potential is the sum of the potentials due to the individualconductors.) TakeatExpress your answer in terms of some or all of the variables, ,, , and constants.,.ANSWER:Part B=
End of preview. Want to read all 40 pages?

Course Hero member to access this document

Term
Fall
Professor
N/A
Tags
Electric charge, Equipotential surfaces