Electric Potential 9.3: Additional Problem 2

Description

Four charges are shown (one is unknown) given in 10-10C that form what is known as a quadrupole.  You can measure the potential at any point by dragging the test charge around.   Distance is measured in m. 

Question

  Determine the charge of the unknown charge.  Start

More Help: Show electric field.

Answer

 0.5  mC.

Reference

See Giancoli-PA: 17-5, Giancoli-SE: 23-6.

Credits

Physlet problem authored by Mario Belloni.

2000 by Prentice-Hall, Inc. A Pearson Company