To Completely Charge a 500 $\mu \mathrm { F }$ Capacitor in 15 Seconds, Use a ________ Resistor

Multiple Choice

To completely charge a 500 $\mu \mathrm { F }$ capacitor in 15 seconds, use a ________ resistor.

A) 12 $\mathrm { k } \Omega$
B) 24 $k \Omega$
C) 18 $\mathrm { k } \Omega$
D) 6 $\mathrm { k } \Omega$