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Created by Alex Declan
over 10 years ago
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Copied by randomsonger 123
about 8 years ago
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Question | Answer |
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 _______________. | Ampere, circle with an A in it. |
In order for current to flow in a wire there must be a complete circuit, and a ________ _________, or ___________. | Potential Difference, voltage v |
Metals and other materials with many free electrons are called ________, because they allow current to pass easily. | Conductors |
Things that don’t allow current to pass easily, like glass, rubber, and plastic, are called _______________. | Insulators |
Resistance | The measurement of how easily current flows through a conductor. |
Generally, resistance decreases when a conductor’s length__________, diameter ____________, and temperature ___________. | Decreases, increases, decreases |
In parallel circuits, the total resistance is always ______ than the smallest resistor. | less |
Power = ? | Volts * Amps |
The power used through time is found by multiplying ________ and __________, and is expressed in __________. | Power, Time, Joules |
Watt | The unit of electrical power. |
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