EASY
JEE Main
IMPORTANT
Earn 100

An arc of radius carries a charge. The linear density of charge is and the arc subtends an angle at the centre. What is the electric potential at the centre?
(a)
(b)
(c)
(d)

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Important Questions on Electric Potential
EASY
JEE Main
IMPORTANT
Two identical thin rings each of radius meters are coaxially placed at a distance meters apart. If coulomb and coulomb are respectively the charges uniformly spread on the two rings, the work done in moving a charge from the centre of one ring to that of other is

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

MEDIUM
JEE Main
IMPORTANT
The potential difference between the centre and the surface of the sphere of radius and having uniform volume charge density within it will be

MEDIUM
JEE Main
IMPORTANT
A mercury drop has potential on its surface. such drops combine to form a new drop. Find the potential on the surface of the new drop.
