Why are there only two charges - positive and negative? Why not more or less?
22838
Can a third type of electrical charge exist?
12876
Why can't electrostatic field lines form closed loops?
94031
Triode - how come grid is "more negative" than cathode?
65294
Can an electron be in two places at the same time?
34257
No magnetic field from a static charge - Is there a simple physical argument to show why?
140176
What keeps electrons on a negatively-charged conductor from leaving?
16585
What constitutes a double negative?
122786
C: The Math Behind Negatives and Remainder
79754
Why only 1 component of angular momentum?
42689
Why do capacitors in a dielectric have the same charge as without the dielectric
85291
Why can velocity and acceleration be negative?
102051
Definition of electric charge and proper explanation
130887
Can a negative charge ionize air?
158351
Counter ions and charge of a complex
17787
Photoelectric Effect, Why can't two quanta interact with an electron at the same time?
65314
Interaction term positive while components are negative?
155218
A physical explanation for negative kelvin temperatures