dfrac ({q)^(b^3)(6ELa) C. dfrac ({q)^(t^4)(8{F)_(a)} D. dfrac ({q)^3}(6EL) :

dfrac (q)(4pi varepsilon oR)-|||-C. dfrac (q)(4pi {varepsilon )_(0)(R)^2}-|||-D.

dfrac (1)(6)-|||-C. dfrac (1)(2) D. dfrac (1)(3)

dfrac (1)(6)-|||-C. dfrac (1)(2) D. dfrac (1)(3)

B. dfrac {1)(2) . C. dfrac (2)(3) . D. dfrac (3)(4)

_(1)-(F)_(2)-|||-C. dfrac (2)(3)(F)_(1)+dfrac (1)(3)(F)_(2)-|||-D. dfrac (2)(3)(

=dfrac (Q)(4pi {varepsilon )_(0)r}-|||-(D) =dfrac (Q)(4pi {varepsilon )_(0)(r)^2

-dfrac (2)(3) C. dfrac (2)(3) D. dfrac (1)(9)

sqrt (dfrac {3g)(l)}-|||-C. sqrt (dfrac {3g)(2)}-|||-D. sqrt (dfrac {8)(3)}

dfrac {3)(10) C. dfrac (7)(10) D. dfrac (2)(5)

dfrac (4)(3) D. -dfrac (4)(3)