Author Question: How many time constants must elapse if an initially charged capacitor is to discharge 55 of its ... (Read 120 times)

tatyanajohnson · **on:** Jul 28, 2018

How many time constants must elapse if an initially charged capacitor is to discharge 55 of its stored energy through a resistor?
a. 0.60
b. 0.46
c. 0.52
d. 0.40
e. 1.1

Question 2

In an RC circuit, how many time constants must elapse if an initially uncharged capacitor is to reach 80 of its final potential difference?
a. 2.2
b. 1.9
c. 1.6
d. 3.0
e. 5.0