Note: Use principles of physics to solve the problem and thenverify your answer

Question

Note: Use principles of physics to solve the problem and thenverify your answer using the simulation.
http://www.webassign.net/hrw8/sims/sim31/sim31.html


Standard physics textbooks generally deal with an idealizedparallel-plate capacitor, where the size of the plates is muchlarger than the separation between the plates, something that isnot true in the situation shown in the simulation. Which of thefollowing are true for the standard textbook situation (let's callthat a capacitor with infinite plates) but are not true in thissimulation? Select all that apply. In a capacitor with infinite plates theelectric field in all three regions (above the top plate, betweenthe plates, and below the bottom plate) points in the samedirection.
In a capacitor with infinite plates thereis no electric field in the regions above the top plate and belowthe bottom plate.
In a capacitor with infinite plateschanging the voltage across the capacitor while keeping theseparation between the plates constant results in no change in theelectric field between the plates.
In a capacitor with infinite plateschanging the separation between the plates while keeping thevoltage across the capacitor constant results in no change in theelectric field between the plates.
In a capacitor with infinite plates theelectric field is maximum along the plane parallel to, and halfwaybetween, the plates.
In a capacitor with infinite plates theelectric field in the region between the plates isuniform.
In a capacitor with infinite plates,doubling both the capacitor voltage and the plate separationresults in no change in the electric field between theplates.







In a capacitor with infinite plates theelectric field in all three regions (above the top plate, betweenthe plates, and below the bottom plate) points in the samedirection.
In a capacitor with infinite plates thereis no electric field in the regions above the top plate and belowthe bottom plate.
In a capacitor with infinite plateschanging the voltage across the capacitor while keeping theseparation between the plates constant results in no change in theelectric field between the plates.
In a capacitor with infinite plateschanging the separation between the plates while keeping thevoltage across the capacitor constant results in no change in theelectric field between the plates.
In a capacitor with infinite plates theelectric field is maximum along the plane parallel to, and halfwaybetween, the plates.
In a capacitor with infinite plates theelectric field in the region between the plates isuniform.
In a capacitor with infinite plates,doubling both the capacitor voltage and the plate separationresults in no change in the electric field between theplates.

Explanation / Answer

(False )In a capacitor withinfinite plates the electric field in all three regions (above thetop plate, between the plates, and below the bottom plate) pointsin the same direction. (True)In a capacitor withinfinite plates there is no electric field in the regions above thetop plate and below the bottom plate. (False)In a capacitor withinfinite plates changing the voltage across the capacitor whilekeeping the separation between the plates constant results in nochange in the electric field between the plates. (False)In a capacitor withinfinite plates changing the separation between the plates whilekeeping the voltage across the capacitor constant results in nochange in the electric field between the plates. (False)In a capacitor withinfinite plates the electric field is maximum along the planeparallel to, and halfway between, the plates. (True)In a capacitor withinfinite plates the electric field in the region between the platesis uniform. (True)In a capacitor withinfinite plates, doubling both the capacitor voltage and the plateseparation results in no change in the electric field between theplates

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