EASY
JEE Main
IMPORTANT
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An arc of radius r carries a charge. The linear density of charge is λ and the arc subtends an angle π3 at the centre. What is the electric potential at the centre?

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Important Questions on Electric Potential

EASY
JEE Main
IMPORTANT

Two identical thin rings each of radius R meters are coaxially placed at a distance R meters apart. If Q1 coulomb and Q2 coulomb are respectively the charges uniformly spread on the two rings, the work done in moving a charge q from the centre of one ring to that of other is

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EASY
JEE Main
IMPORTANT

If the electric potential of the inner shell is 10 volt and that of the outer shell is 5 volt, then the potential at the centre will be: (the shells are uniformly charged) 

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MEDIUM
JEE Main
IMPORTANT
The potential difference between the centre and the surface of the sphere of radius R and having uniform volume charge density ρ within it will be
MEDIUM
JEE Main
IMPORTANT
A mercury drop has potential V on its surface. 1000 such drops combine to form a new drop. Find the potential on the surface of the new drop.