Capacitors and electric field

  • Thread starter fwFAWFSERG
  • Start date
  • #1
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REVIEWING OLD TEST and.. dont understand why you use the full distance.

Homework Statement


pretty much theres a home made capacitor made by two pie pans 3.5 cm apart. V is given Q is given, the question asks:
calculate the electric field halfway between the plates

Homework Equations


dV=Ed


The Attempt at a Solution



you just simply plug in, but why is distance the full 3.5 cm and not half of that, as youre finding the field at a distance that is halfway between the plates? am i answering my own question and the E field is constant?
 

Answers and Replies

  • #2
rock.freak667
Homework Helper
6,230
31
Yes, the electric field is uniform between the plates so it would be the same.
 

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