Home › Karnataka PUC II › physics › electrostatic_potential_capacitance › The electric potential V at a distance r from a …
The electric potential V at a distance r from a point charge Q in vacuum is given by
AQ / (4πε₀ r²)
BQ / (4πε₀ r)
CQ² / (4πε₀ r)
DQ · r / (4πε₀)
Answer & Solution
Correct answer: B. Q / (4πε₀ r)
V(r) = Q/(4πε₀r). The 1/r² form is the electric FIELD, not the potential.
Related questions
Choose the INCORRECT statement about electric potential.A charge Q = 4 × 10⁻⁷ C is at the origin. The work done in bringing a small test charge q The work required to assemble a system of two point charges q₁ and q₂ separated by distancA hollow charged conductor encloses an empty cavity. The electric field inside the cavity Two charges +q and −q are placed at distance 2a. The electric potential V at a point on thWhich property does NOT necessarily hold for a charged conductor in electrostatic equilibrThe relation between electric field E and potential V along a direction r isIf a charge q is moved through a potential difference V, the work done by the external for