If a 01 $\mu \mathrm { F }$ Capacitor and a 2

Multiple Choice

If a 0.1 $\mu \mathrm { F }$ capacitor and a 2.2 $k \Omega$ resistor are connected in series across 30 $\mathrm { VDC }$ , how much voltage will the capacitor drop after charging for just one time constant?

A) 25.9 V
B) 19.0 V
C) 29.4 V
D) 28.5 V