Question

dall the above
Three charges q, q, and
an equilateral trian
is in equilibrium
surface charge density
time period of small and
passing through its
plane. Moment of
g, and -29 are fixed on the vertices of
teral triangular plate of edge length a. This
ilibrium between two very large plates ha
ve density o, and 02, respectively. Find the
of small angular oscillation about an axis
rough its centroid and perpendicular to the
Moment of inertia of the system about this axis is
b. 27
El
V2qalo, -ol
2 Igalo, -021
I 281
c. 20 )
V 3galo, -021
d. 2n 28,1
Vqalo, -0₂1​

Answer 1

Answer:

I don't know sorry better ask to expert