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Resistors are components in electronic circuits that limit curent. 1K2 is a 1.2 Kilo ohm resistor. To say "what does it do" is too general a question. Suffice it to say that they are ubiquitous items that have many uses in electronics generally limiting current with effects on voltage when used properly in pairs or with resistive loads.
Ted
What else can I help you with?
Is Light dependent resistor an example of resistor?
yes, a variable resistor
Who invented the resistor?
Otis F. Boykin invented the wire precision resistor and the electrical resistor.
What is the difference between an ohmic resistor and a non-ohmic resistor?
A non-ohmic resistor doesn't have a constant resistance. A ohmic resistor has a constant resistance.
What is the function of a cement resistor?
A cement resistor is typically used as a power resistor (a resistor whose power rating is greater than 1 W).
What are resistor values defined by?
Resistor value is defined by the Resistance the resistor offers in Kilo ohms/ohms value given by color codes on the resistor.
Where is the resistor for the coil on a mercruiser 470?
The Cable is the Resistor ! Its a Resistor-Cable ! Greets from the Lake of Constance/Germany !
Where would you find a material which is a resistor?
Where would you find a material which is a resistor? You can find a resistor material in Europe
Where is the alternator resistor on a 1994 Chrysler new yorker?
The alternator does not have a resistor.The alternator does not have a resistor.
Where is the ballast resistor on a 2000 Chrysler Sebring convertible?
It does not have a ballast resistor.It does not have a ballast resistor.
What do the first 3 bands on a resistor indicate?
The first 3 band on a resistor indicate the value of that resistor.
Voltmeter is connected in parallel with resistor?
A voltmeter can be connected in parallel with a resistor to show the voltage across the resistor.
What is series dropping resistor?
A series dropping resistor is a resistor that limits the amount of current flow in a circuit.
