I'm currently in a physicsw/calII class and I'm stuck on this problem, hope u can help me out.(adsbygoogle = window.adsbygoogle || []).push({});

A parallel-plate capacitor has a capacitance of C_0 when there is air between the plates. The separation between the plates is x.

a)What is the maximum magnitude of charge that can be placed on each plate if the electric field in the region between the plates is not to exceed V?

For this question a, I've tried q=(V*epsilon*A)/x but the answer did not depend on the variables: A, and epsilon_0

I've also tried q=C_0*V but the answer involved the variable x. =(

b) A dielectric with a dielectric constant of K is inserted between the plates of the capacitor, completely filling the volume between the plates. Now what is the maximum magnitude of charge on each plate if the electric field between the plates is not to exceed V?

For this question i think the dielectric wouldn't change the charge value but it would affect the capacitor by a factor of K. I don't know where to go from here.. b.c "not to exceed V" i don't understand that statement.

thank you for your time and concern.. any feedback would be appreciated )

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# Homework Help: E/m question

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