### Capacitor Problem 9.4.3

#### Description

The capacitor plates depicted above are maintained at a constant charge (charge given in mC and position given in
centimeters).

#### Question

What is the capacitance of the system when the
plates are 0.5 cm apart? *Note: There is a 1-5% intrinsic error in the
calculation of charge. * Start

#### Answer

0.45 pF.

#### Reference

See Giancoli-PA: 17-9, Giancoli-SE: 24-4.

#### Credits

Physlet problem authored by Mario Belloni.

**© 2000 by Prentice-Hall, Inc. A Pearson Company**