Author Question: In a series circuit containing a resistor and an inductor connected to an ideal dc source and a ... (Read 100 times)

mia · **on:** Jul 29, 2018

In a series circuit containing a resistor and an inductor connected to an ideal dc source and a switch, the inductor gets 40 of its maximum current 1.8 s after the switch is closed. What is the time constant of this circuit?

A) 2.5 s B) 0.80 s C) 5.5 s D) 3.5 s E) 1.5 s

Question 2

Doubling the potential across a given capacitor causes the energy stored in that capacitor to

A) reduce to one-half. B) double.
C) quadruple. D) reduce to one-fourth.