ElectrostaticsMedium
Question
Two identical thin rings, each of radius R meter are coaxially placed at distance R meter apart. If Q1 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 the other is :
Options
A.Zero
B.
C.
D.
Solution
Ui =
Uf =
Work done by external force : ᐃU = Uf - Ui
Create a free account to view solution
View Solution FreeMore Electrostatics Questions
A proton is accelerated through potential difference of 1 V then KE of proton will be : -...From a point if we move in a direction making an angle θ measured from + ve x-axis, the potential gradient is given...Four charges equal to -Q are placed at the four corners of a square and a charge q is at its centre. If the system is in...Three small identical bubbles of water having same charge on each coalesce to form a bigger bubble. Then the ratio of th...An electrical mass me, initially at rest, moves through a certain diatnce in a uniform electric field in time t1. A prot...