Home Physics Electrostatics Potential & Capacitance Mix Which of the following statement(s) is/are c…
Physics Electrostatics Potential & Capacitance Mix MCQ (Single Correct)

Which of the following statement(s) is/are correct?

A
If the electric field due to a point charge varies as r –2.5 instead of r –2 , then the Gauss law will still be valid.
B
The Gauss law can be used to calculate the field distribution around an electric dipole.
C
If the electric field between two point charges is zero somewhere, then the sign of the two charges is the same.
D
The work done by the external force in moving a unit positive charge from point A at potential V A to point B at potential V B is (V B — V A ).

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Text Solution

Verified by Experts
The correct answer is:
C

φ φ = = =

W ext = q(V B – V A )

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