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| a material that has a very high resistance to elecricity |
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| a material with a low resistance to electricity |
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| the omega symbol is used to represent what? |
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| electrical resistance decreases |
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| The resistance is proportional to |
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| measure of electrical pressure(measured in volts) |
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| To measure resistance, a red wires attaches to __ while a black wire attaches to __ |
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| electrical flow per second |
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| a part that melts to protect the rest of the circuit(if it breaks then the circuit stops) |
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| DC Current/Direct Current |
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| current that flows in one direction |
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| current that switches from positive to negative(usually 60 times each) |
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| components to resist electricity |
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| turns resistance up and down(works by rubbing a conductor against the conductive or plastic wire)(the resistance) |
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| you test a potentiometer by |
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| using a multi-meter on ohm setting |
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| If one adds the voltage drops across the devices in the circuit |
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| the total is the same as the voltage supplied by the batteries |
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| you measure the voltage directly between |
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| you can only measure your current when it |
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| passes through your meter |
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| How does one measure the flow of their circuit |
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| set your meter to milliamperes and measure (too much WILL blow your circuit) |
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| a higher resistance limits what? |
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| the flow of current amperage |
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| Resistors in a series are oriented so that one |
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| Resistors in parallel are also oriented |
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| When you put two equal valued resistors in series you |
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| double the total resistance, because electricity has to pass through both barriers in succession |
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| When you put two equal-valued resistors in parallel you |
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| divide the resistance by two, because you're giving electricity two paths which it can take instead of one |
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| when a circuit splits into two different paths, each with the same circuit part and then merges again into the original circuit. |
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| when two or more circuit parts are connected in the same direction, in the same circuit, without spliting up |
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| the ability to induce magnetic effects |
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| On a multimeter any number with a "V" after it (e.g. 2V, 20V, 500V etc) means |
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| No higher than 2 volts, 20 volts, 500 volts, etc |
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