ElectrostaticsHard
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
Two point charges of same magnitude and opposite sign are fixed at points A and B. A third small point charge is to be b...Two charges of equal magnitude q are placed at a distance 2a. Another charge q of mass m, is placed midway between the t...A system consisting of two charges 7μC and -2μC placed at (-9 cm, 0, 0) and (9 cm, 0, 0) respectively. This sy...Five balls numbered 1 to 5 are suspended using separate threads. Pairs (1,2); (2,4) and (4,1) show electrostatic attract...Which one of the following is not a measurable quantity?...