- #1

physicsbhelp

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**[SOLVED] Capacitors VERY QUICK EASY QUESTION! PLEASE HELP!**

## Homework Statement

A parallel-plate capacitor has circular plates of 8.80 cm radius and 1.50 mm separation.

(a) Calculate the capacitance.

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- Thread starter physicsbhelp
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- #1

physicsbhelp

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A parallel-plate capacitor has circular plates of 8.80 cm radius and 1.50 mm separation.

(a) Calculate the capacitance.

Last edited:

- #2

physicsbhelp

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THE answer has to be in pF for part a)

- #3

Snazzy

- 468

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[tex]C=\frac{k\epsilon _0A}{d}[/tex]

For air or free space, k is about 1.

There's also another equation:

[tex]C=\frac{Q}{V}[/tex]

- #4

Snazzy

- 468

- 0

[tex]\epsilon_0=8.85\times10^-12 \frac{C^2}{Nm^2}[/tex]

Q = charge

- #5

physicsbhelp

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1808

Last edited:

- #6

Snazzy

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I can't say if the answer is right or wrong without you showing any work.

- #7

Snazzy

- 468

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Looks right.

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