Some key things you need to know in the electricity unit for the physics regents.
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Created by Alex Declan
over 10 years ago
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Created by Alex Declan
over 10 years ago
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The unit which describes electric current in terms of how much charge passes a given point in a conductor
is called the _____________, which is represented by _______________.
In order for current to flow in a wire there must be
a complete circuit, and a ________ _________, or ___________.
Metals and other materials with many free electrons are called ________, because they allow current to pass easily.
Things that don’t allow current to pass easily, like glass, rubber, and plastic, are called _______________.
Resistance
Generally, resistance decreases when a conductor’s length__________, diameter ____________, and temperature ___________.
In parallel circuits, the total resistance is always ______ than the smallest resistor.
Power = ?
The power used through time is found by multiplying ________ and __________, and is expressed in __________.
Watt
