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Which is physically significant, the actual value of potential or the potential difference?
AOnly the sign
BThe difference
CThe actual value
DNeither of them
Answer & Solution
Correct answer: B. The difference
1. The zero of potential can be chosen freely.
2. Only changes in potential do work.
3. So the potential difference is what matters.
_Source: NCERT Class 12 Physics Part I, Chapter 2, Electrostatic Potential and Capacitance._
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