Explore BrainMass

Explore BrainMass

    Two springs have one end fixed on opposite sides of the box; time to charge capacitor

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    See attached file for diagram.

    In the following circuit, what is the current through R1 at T=1 second after the switch is closed? How long does it take the capacitor to be 95% fully charged?

    © BrainMass Inc. brainmass.com March 6, 2023, 1:12 pm ad1c9bdddf


    Solution Preview

    Effective resistance of the circuit:
    R_eff = (2*6)/(2+6) = 1.5 M ohm
    because charge in the capacitor at time t is given as:
    q = Q * ( 1- e^(-t/t0))
    where t0 = time constant of the circuit = R_eff * C =
    = ...

    Solution Summary

    The solution shows the sequence of steps to solve the problem. The current through a closed switch is given.