Note: Use principles of physics tosolve the problem and then verify your answer

Question

Note: Use principles of physics tosolve the problem and then verify 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 acapacitor with infinite plates there is no electric field in theregions above the top plate and below the bottom plate.
In acapacitor with infinite plates changing the voltage across thecapacitor while keeping the separation between the plates constantresults in no change in the electric field between theplates.
In acapacitor with infinite plates changing the separation between theplates while keeping the voltage across the capacitor constantresults in no change in the electric field between theplates.
In acapacitor with infinite plates the electric field is maximum alongthe plane parallel to, and halfway between, the plates.
In acapacitor with infinite plates the electric field in the regionbetween the plates is uniform.
In acapacitor with infinite plates, doubling both the capacitor voltageand the plate separation results in no change in the electric fieldbetween the plates.
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 acapacitor with infinite plates there is no electric field in theregions above the top plate and below the bottom plate.
In acapacitor with infinite plates changing the voltage across thecapacitor while keeping the separation between the plates constantresults in no change in the electric field between theplates.
In acapacitor with infinite plates changing the separation between theplates while keeping the voltage across the capacitor constantresults in no change in the electric field between theplates.
In acapacitor with infinite plates the electric field is maximum alongthe plane parallel to, and halfway between, the plates.
In acapacitor with infinite plates the electric field in the regionbetween the plates is uniform.
In acapacitor with infinite plates, doubling both the capacitor voltageand the plate separation results in no change in the electric fieldbetween the plates.

Explanation / Answer

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 acapacitor with infinite plates there is no electric field in theregions above the top plate and below the bottomplate.
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 acapacitor with infinite plates changing the separation between theplates while keeping the voltage across the capacitor constantresults in no change in the electric field between theplates.
In acapacitor with infinite plates the electric field is maximum alongthe plane parallel to, and halfway between, the plates.
Ina capacitor with infinite plates the electric field in the regionbetween the plates is uniform.
Ina capacitor with infinite plates, doubling both the capacitorvoltage and the plate separation results in no change in theelectric field between the plates. . Highlighted answers aretrue.

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