Question
Download Solution PDFThe diagrams below show regions of equipotentials.
A positive charge is moved from A to B in each diagram.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Work done in moving the charge from point A to point B depends upon the potential difference between the points and is independent of the path followed by the charge.
Formula to calculate work done in moving the charge from A to B is:
W = Q ΔV
where Q is a charge, ΔV is the difference between the potential difference between two points i.e., A and B.
An equipotential surface is defined as the region in space that has the same potential at every point.
Equipotential lines are used to represent equipotential surfaces of two-dimensional.
Equipotential surfaces are always perpendicular to electric field lines. Conductors in static equilibrium are equipotential surfaces.
Work done in moving charge on the equipotential surface is zero.
Calculation:
Work done w = qΔ V
ΔV is the same in all the cases so the work done will be the same in all the cases.
Last updated on Jun 14, 2025
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