alleryA capacitor's plates carry Q and minus Q. The total charge of the capacitor is:
AExactly Q/2
BExactly zero
CExactly Q
DExactly 2Q
Answer & Solution
Correct answer: B. Exactly zero
1. Q on one plate and minus Q on the other.
2. Add them.
3. The total is zero.
_Source: syllabus Physics Part I, Chapter 2, Electrostatic Potential and Capacitance._
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