$${\tau = pE \sin \theta = (6,2 \times 10^{-30}\, \mathrm{C \cdot m}) \\ (1,5 \times 10^4\, \mathrm{N/C})(\sin 90^{\circ}) \\ = \underline{\underline{9,3 \times 10^{-26}\, \mathrm{N \cdot m}}}}$$