Answer to Question 2 |

A capacitor of 470 mF is charged up through a 150 k resistor, with a starting voltage of 12 V? (a) What is the time constant? (b) What is the time needed to get to 6 V? (c) What is the time needed to get to 9 V? (d) What is the voltage across the capacitor after RC seconds? (e) How long does it take for the capacitor completely to charge? |

(a)
(b)
(c) 2 half-lives:
(d)
(e) 5 |