Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
resistance is measured in a unit called_____________?
|
ohms
|
|
|
a path that allows only one route for an electric current is called______________ ________?
|
series circuit
|
|
|
circuits with both series and parallel portions are called___________?
|
complex
|
|
|
the law of conservation of charge states that ___________ _____________________________________ ___________
|
charges are neither created or destroyed
|
|
|
which of the following materials is an insulator?
|
plastic
|
|
|
which of the following is the correct relationship among current and voltage?
|
as voltage increases, current increases
|
|
|
which of the following is a device designed to open an overloaded circuit and prevent overheating?
|
circuit breaker
|
|
|
which of the following is the correct relationship between current and resistance?
|
as resistance increases, current decreases
|
|
|
how do electrons move?
|
from high concentration to low
|
|
|
contains a piece o metal if the current becomes to high
|
fuse
|
|
|
allows electrons to move through it easily
|
conductor
|
|
|
contains a piece of metal that bends when it gets to hot
|
circuit breaker
|
|
|
does not allow electrons to flow through it easily
|
insulator
|
|
|
if you increase the voltage, current will____________?
|
increase
|
|
|
lightning is______?
|
a very large discharge of static electricity
|
|
|
electric charge that has accumulated on a object is referred to as___
|
static electricity
|
|
|
A circuit that has two or more branches for current is a ____.
|
parallel circuit
|
|
|
A static discharge differs from an electric current in that a static discharge ____.
|
lasts for only a fraction of a second
|
|
|
electrical current is measured in____.
|
ohms
|
|
|
which of the following materials is most often used in wiring because it is such good conductor?
|
copper
|
