Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Potential difference

QuestionAnswer
Define potential difference The work done in bringing a charge of one Coulomb from one point to the other
What is the unit of potential difference? The volt
Define electric current. A flow of electric charge
Define potential at a point. The potential difference between a point and the earth
Define capacitance. The ratio of charge on a conductor to its potential
What is the unit of capacitance? The farad.
Name 5 common uses of capacitors. Functions as a variable capacitor to tune into a radio station. Smooths out variations in current. Camera flash. Allows some frequencies through and blocks others (filtering). Allows alternating current through but blocks direct current.
What is the name of the insulator in a parallel plate capacitor? A dialectric
Created by: JackEatonK98