The work done in carrying a charge q once round a circle of radius r with a charge Q at…
Physics · JEE Main · NTA Exams — Electrostatics
The work done in carrying a charge q once round a circle of radius r with a charge Q at the centre is :
- \(\frac{q Q}{4 \pi \epsilon_{G} r}\)
- \(\frac{q Q}{4 \pi \epsilon_{0}^{2} r^{2}}\)
- \(\frac{q Q}{4 \pi \epsilon_{d} r^{2}}\)
- none of these
Answer
(D) none of these
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Three charges 2q, –q, –q are located at the vertices of an equilateral triangle. At the circumcentre of the…
- Charges are placed on the vertices of a square as shown. Let E be the electric field and V the potential at…
- A hollow hemisphere of radius R is charged uniformly with surface charge density of σ. What will be the…
- Two capacitors of capacitances 3µF and 6µF are connected in series across a P.D. of 400 volt. The P.D. across…
- If the electric flux entering and leaving an enclosed surface respectively is _ 1 and _ 2 , the electric…
- A conducting sphere of radius R and carrying charge Q is joined to an uncharged conducting sphere of radius…
- Electric potential in an electric field is given as V = K r , (K being constant), if position vector r =2 i…
- The electric field due to a small dipole at a distance r from its center in axial position is E a . At what…
More Electrostatics questions · Browse all practice questions