ElectrostaticsHard
Question
The magnitude of electric force on 2 μ c charge placed at the centre O of two equilateral triangles each of side 10 cm, as shown in figure is P. If charge A, B, C, D, E & F are 2 μ c, 2 μ c, 2 μ c, -2 μc, - 2 μ c, - 2 μ c respectively, then P is:
Options
A.21.6 N
B.64.8 N
C.0
D.43.2 N
Solution
The given figure shows force diagram for charge at O due to all other charges with r =
cm∴ Fnet = 2F + 4F cos 60o = 4F
=
= 36 × 4 × 300 × 10-3 N = 43.2 N. (Towards E)Create a free account to view solution
View Solution FreeMore Electrostatics Questions
A non - conducting ring of radius 0.5 m,1.11 × 10-10 coulomb charge is non - uniformly distributed over the circumf...Two positive ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the i...Seven capacitore each of capictance 2μF are connected in a configuration to obtained effective capacitance μF....In the above question, the electric force acting on a point charge of 2 C placed at the origin will be :...At a point on the axis (but not inside the dipole and not at infinity) of an electric dipole...