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28 Cards in this Set
- Front
- Back
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Static electricity |
Stationary electrical charges and the forces they exert |
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Electrical energy |
The ability to do work by electrical charges |
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T |
T/F Electrostatic force is stronger than gravity |
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Electrostatic force |
The force between electrical charges |
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Law of Charges |
Like charges repel; unlike charges attract |
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Neutrally charged |
Objects that have a balance of electrons and protons |
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Electrical insulators |
Objects like wood or glass that are good at storing electrons |
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Electrical conductors |
Metals that do not store charges |
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Electrical induction |
Creation of a charges region on a neutral object when exposed to a strong electrical field |
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Dipole |
A neutral molecule whose electrons have shifted to form positive and negative ends |
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Electroscope |
Detects the presence of any charges |
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Semiconductors |
Allow limited electrical flow only under specific conditions |
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Affinity |
An objects tendency to maintain their electrons |
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Direct Current |
Allows electrical flow in only one direction |
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Alternating current |
Allows the electrical flow to switch directions |
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I= V/R ( V= I•R or R=V/I) |
Ohms law is equal to |
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Power (P) times change in Time |
How do you find energy |
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Voltage (V) times Amps (I) |
How do you find Power |
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Electrical load |
The object that uses the electricity |
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Short circuit |
Whenever a circuit does not complete its full length |
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Circuit Breaker |
Breaks the circuit |
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Ohms ( upside down horseshoe) |
The symbol for resistance |
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Watts |
Power is found in |
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Joules |
Energy is found in |
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Amp |
What is the amount of energy flowing |
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Voltage |
What is the potential difference between the poles |
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Negative pole |
Where does electricity flow from |
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F (gain) |
T/F You get shocked when you lose electrons |
