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
share
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

PS: Ch 15 Q

QuestionAnswer
materials through which electric current does not flow easily insulators
Electric current that flows first in one direction and then the other alternating current
the amount an object hinders electron flow resistance
rate of charge flow current
SI unit of resistance ohm
flow of electrons from one place to another current electricity
states that the current flowing through a conductor is directly proportional to the voltage and inversely proportional to resistance Ohm's law
material that allows current to flow through it with no hindrance superconductor
heat caused by "electrical friction" Joule heat
Three parts of a simple electric circuit source of current, conductors, load
type of circuit where the loads are arranged in separate branches of the circuit so current is divided parallel circuit
narrow strip of metal that protects against excessive current fuse
refers to a circuit that contains a complete path for electrons to flow through closed circuit
automatic switch that opens the circuit when current flowing through it exceeds a predetermined amount circuit breaker
first type of electric light suitable for household use incandescent lamp
dangerous situation where electricity takes a shortcut through a circuit short circuit
circuit that has loads arranged so that the electric current flows through each load one after another series circuit
produces light by passing electric current through a long tube that contains a low pressure mixture of mercury vapor and argon fluorescent lamp
electric discharge lamp filled with neon neon lamp
group of electrochemical cells connected together as a single source of current battery
device for communicating over a long distance by means of electromagnets telegraph
uses semiconductors to produce light LED lamp
motor's rotating electromagnet armature
device that converts electricity to back-and-forth motion solenoid
group of electrochemical cells should be arranged in a __?__ to supply more voltage series
device where electromagnetic induction is used to produce electricity generator
most important device for converting electricity into motion electric motor
Created by: Mrs. Sechrist