Purchase Solution

Current through Capacitor Circuit

Not what you're looking for?

Ask Custom Question

There is an attachment of what the problem is.

Consider the circuit shown in Figure 21-45, where R1 = 17 and R2 = 6.0 (see diagram in attachment)
The capacitor is 45 microFarads and the battery is 9.0V

a) Find the current flowing through the battery immediately after the switch is closed.
b) Find the current in the battery long after the switch is closed.

Attachments
Purchase this Solution
Solution Summary

This solution finds the current flowing through a circuit with capacitors.

Solution Preview

Part A
Immediately after the switch is closed the capacitor will act as a short circuit (no resistance) while current is flowing through it and charging the capacitor. ...

Purchase this Solution
Free BrainMass Quizzes
Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Basic Physics

This quiz will test your knowledge about basic Physics.

The Moon

Test your knowledge of moon phases and movement.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

View More Free Quizzes
Related BrainMass Solutions

  • RC Circuit

    As soon as the battery is introduced in the circuit (t=0), the capacitor behaves like a short circuit and charging current flows through it.

  • Current Flowing Through a Battery

    That is, we can view the circuit as the following: Thus, V=IR 9.0 = I (19) I = 0.47A In the second part, once the capacitor is charged up completely, the capacitor acts as an open circuit (ie. no current can flow through the capacitor

  • Current flowing through the circuit

    46239 Current flowing through the circuit A capacitor has capacitance 4 microC/Volt. It is placed in series with a resistance of 48 Ohms and 25 volt source.

  • Electrodynamics: Circuits with Resistor, Inductor, Capacior

    state the potential difference across the Inductor is zero and the current through the branch containing capacitor is zero.

  • Important Information About RC Series Circuit

    Since it is a series circuit, the current is same through the resistor and capacitor. Now in a series RC circuit, Z = R + Xc where R= resistance and Xc = reactance of capacitor.

  • Calculating charge of a capacitor and current in a circuit

    24144 Calculating charge of a capacitor and current in a circuit Hi. Can someone please walk me through how to do the following problem? The capacitor in an RC circuit (R = 120 ohms, C = 45 micro-F) is initially charged.

  • A Current Though A Voltage AC Source

    The current through the inductor LAGs the voltage by 90 degrees while the current through the capacitor LEADs the voltage and hence these currents are in the opposite direction and so we have a subtracted quantity for the total current through the voltage

  • RC series circuit

    g) At the frequency found in part f. what is the phase of voltage across the capacitor. h) What is the amplitude and phase of the current flowing through the circuit.

  • Transient Current

    During that period some current flows through the circuit and after some time becomes zero. This current is known as transient current.

View More Related Solutions