16. The square plates of a 9000 pF capacitor measure 90 mm by 90 mm and are separated by a dielectric which is 0.29 mmthick. The voltage rating of the capacitor is 300 V. The dielectric strength of the dielectric, in kV/m , is closest to .
(A) 930
(B) 1000
(C) 1100
(D) 1200
(E) 1300