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Potential Difference:aka, definition, units, equation
when the switch is off, no place for electrons to go, electron transportation is incomplete
things that affect resistance of wire
Length(L direct prop to R)
Thickness(R indirect prop to diameter^2)
Composition-exof good:gold, ex bad:nichrome
Temp(T direct to R)
Series circuit: problems, relation with volts and currents, use, equation
Problems: if 1 goes out-all go out, all appliances must be on 24/7, appliances wont work without proper voltage
relations: volts are shared, current is the same in each resistor
use: blinking lights
Parallel Circuits: reasons to us, relations with volts and currents, equation
Reasons: if 1 goes out-rest are on, dont have to be on 24/7, each appliance gets same voltage
Relations: currents are shared, volts are the same
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