ElectrostaticsHard
Question
A circular ring carries a uniformly distributed positive charge. The electric field (E) and potential (V) varies with distance (r) from the centre of the ring along its axis as :
Options
A.
B.
C.
D.
Solution
E = 
It is maximum at r = ±
and also E is not a linear function of .
It is maximum at r = ±
and also E is not a linear function of .Create a free account to view solution
View Solution FreeMore Electrostatics Questions
What is the flux through a cube of side ′a′ if a point charge of q is at one of its corner?...An elliptical cavity is carved within a perfect conductor. A positive charge q is placed at the centre of the cavity. Th...Four electric charge +q, +q, -q and -q are placed at the corner of a square of side 2 L (see figure). The electric poten...A sphere of 4 cm radius is suspended within a hollow sphere of 6 cm radius. The inner sphere is charged to a potential 3...Two opposite and equal charges 4 × 10-8 C when placed 2 × 10-2 cm away form a dipole. If this dipole is placed...