Tony Charges a Capacitor and Then Discharges It Through a Resistor.He

Multiple Choice

Tony charges a capacitor and then discharges it through a resistor.He notices that,after two time constants,the voltage across the capacitor has decreased to _____ of its value just prior to the initiation of the discharge.

A) 0.368
B) 0.135
C) 0.0498
D) 0.0183
E) 0.00674