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10 Cards in this Set
- Front
- Back
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electric charge |
The electrical state of an object, which can be positively charged or negatively charged |
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electron |
Sub-atomic particle, with a negative charge and a negligible mass relative to protons and neutr
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current |
Moving electric charges, for example, electrons moving through a metal wire. |
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resistor |
an electrical component that restrics the flow of elecric current |
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potential difference |
the voltage between two points that makes an electric current flow between them |
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resistance |
the opposition is an electric component to the flow of electricity through it resistance is measured in Ohm |
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circuit |
a closed loop through which current flows |
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ampere |
Unit of current, eg the current in the bulb is 4 amps or amperes (A). |
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coulomb |
Unit of charge. Eg the charge on an electron is 1.6 × 10^19 coulombs. |
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electrical component |
A device in an electric circuit, such as a battery, switch or lamp. |
