A Parallel Plate Capacitor Has a Plate Spacing of 1 $\kappa$

Multiple Choice

A parallel plate capacitor has a plate spacing of 1.5 mm,which is filled with a dielectric of $\kappa$ = 4.3,and its capacitance is 80 $\mu$ F.If the dielectric is taken out and the plate spacing doubled,then what is the new capacitance?

A) 690 $\mu$ F
B) 37 $\mu$ F
C) 9.3 $\mu$ F
D) 170 $\mu$ F
E) 19 $\mu$ F