Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


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
remaining cards
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:
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

Basic Electricity

Important terms

Atom Composed of protons, neutrons, and electrons
Proton Positively charged atomic particle
Electron Negatively charged atomic particle
Valence Shell The outermost ring of electrons
Electricity Movement of electrons between atoms
EMF Electromotive Force
Voltage A push or pull needed to move electrons out of their orbit, electrical pressure
Voltage Drop A loss of electrical pressure across a designed or accidental load
Available Voltage The electrical pressure that reaches a point in a circuit
Volt Unit of measurement for electrical pressure
Resistance Opposition or obstruction to electrical flow
Ohm Unit of measurement for electrical opposition
Current Movement of electrons through a complete circuit, electrical flow
Ampere Unit of measurement for electrical flow
Series Circuit A circuit with only one path for current
Parallel Circuits Multiple paths sharing a common power and ground
DC Direct Current - A current that only flows in one direction
AC Alternating Current - A current that changes direction from positive to negative
Conventional Theory An electrical flow convention that states charges flow from positive to negative
Electron Theory An electrical flow convention that states charges flow from negative to positive
KCL Kirchhoff's Current Law states that all current entering a point must leave that point
KVL Kirchhoff's Voltage Law states that all of the voltage drops in a closed path add to equal the source voltage
Circuit Path for electrical flow
Ohm’s Law The law governing the relationship between volts, ohms, and amps
Watt Electrical unit of power
Load Resistance (lamp, motor, etc.) in a circuit where work is done
Created by: jcoombes