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How far apart would parallel pennies have to be to make a 1.60 pF capacitor?

1 Answer

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Final answer:

To make a 1.60 pF capacitor using parallel pennies, the pennies would need to be spaced approximately 5.53 times the area of each penny apart.

Step-by-step explanation:

To calculate the separation between parallel pennies to make a 1.60 pF capacitor, we can use the formula for the capacitance of a parallel-plate capacitor:

Formula:

C = (ε₀A) / d

Where:

  • C is the capacitance
  • ε₀ is the permittivity of free space (8.85 x 10-12 F/m)
  • A is the area of the plates
  • d is the separation between the plates (what we want to find)

Substitute the given values into the formula:

1.60 x 10-12 F = (8.85 x 10-12 F/m)(A) / d

Simplify and solve for d:

d = (8.85 x 10-12 F/m)(A) / 1.60 x 10-12 F

d = 5.53125A

Therefore, the parallel pennies would need to be spaced approximately 5.53 times the area of each penny apart in order to create a 1.60 pF capacitor.

User Andrew Wei
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