A 100-pF capacitor is constructed of parallel plates of metal, each having a width W anda length L. The plates are separated by air with a distance d. Assume that L and W are bothmuch larger than d. What is the new capacitance ifa. both L and W are doubled and the other parameters are unchanged?b. the separation d is doubled and the other parameters are unchanged from their initialvalues? c. the air dielectric is replaced with oil having a relative dielectric constant of 25 and theother parameters are unchanged from their initial values ?

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter20: Capacitance In Ac Circuits
Section: Chapter Questions
Problem 5PP: Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 -...
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A 100-pF capacitor is constructed of parallel plates of metal, each having a width W and
a length L. The plates are separated by air with a distance d. Assume that L and W are both
much larger than d. What is the new capacitance if
a. both L and W are doubled and the other parameters are unchanged?
b. the separation d is doubled and the other parameters are unchanged from their initial
values? c. the air dielectric is replaced with oil having a relative dielectric constant of 25 and the
other parameters are unchanged from their initial values ?

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