Question

b. 4 .
c. 6
d. 8
8. A point charge Q is situated at a distance d from one end of a non-conducting
rod of length L, carruing a charge q as shown.
q
Q
d-
the force experienced by Q charge is
a KqQ
4 KqQ2KqQ. 4KqQ
d(d+L) 2
"d(d+L) (d+L) (d+1)
eneration of distance
​

Answer 1

According to coulombs law,

F=kq1q2/r^2

Here,it will be

F=kqQ/(L^2)