If C and L denote capacitance and inductance respectively, then the dimensions of LC are

(1) ${M}^{0}{L}^{0}{T}^{0}$

(2) ${M}^{0}{L}^{0}{T}^{2}$

(3) ${M}^{2}{L}^{0}{T}^{2}$

(4) $ML{T}^{2}$