Consider the two charges shown above. 

Double-click inside the applet window to draw electric field lines.  Wait until the electric field line turns from red to blue before double-clicking again.  To start over, refresh your browser.

Click up several electric field lines, and then answer the following questions:

Which charge above is positive?
Charge 1
Charge 2
Both
Neither

Which charge above is negative?
Charge 1
Charge 2
Both
Neither

Which statement is true?
The magnitude of charge 1 is larger than the magnitude of charge 2.
The magnitude of charge 2 is larger than the magnitude of charge 1.
The charges are equal in magnitude but have opposite sign.
The charges are equal in magnitude and have the same sign.


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