A parallel-plate capacitor having plates 6.8cm apart is connected across the ter

Question

A parallel-plate capacitor having plates 6.8cm apart is connected across the terminals of a 12V battery.

Part A

Being as quantitative as you can, describe the location of the equipotential surface that is at a potential of 6.4V relative to the potential of the negative plate. Avoid the edges of the plates.

Express your answer using two significant figures.

Part B

Do the same for the equipotential surface that is at 2.6V relative to the negative plate.

Express your answer using two significant figures.

Part C

What is the potential gradient between the plates?

Express your answer using two significant figures.

Explanation / Answer

partC

Potential gravdient   = V/d = E

so PG = 12/0.068

PG = 176.4 V/m

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