What Is A Resistor In A Circuit
A resistor is a passive element in a circuit which provides resistance to the flow of current. The resistor is a vital component found in almost every imaginable electronic circuit.

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It shapes the electrical signal as it passes through based on the voltage and current.

What is a resistor in a circuit. A bad resistor could ultimately lead to other components of a circuit failing or the complete shut down of a circuit altogether. If you add some voltage to it nothing really happens. The definition of the resistor is it is a basic two terminal electrical and electronic component used to restrict the current flow in a circuit.
You can buy an actual resistor at an electronics store but in a circuits problem it might represent a light bulb or anything else with resistance. In electronic circuits resistors are used to reduce current flow adjust signal levels to divide voltages bias active elements and terminate transmission lines among other uses. The most common schematic symbol for a resistor is a zig zag line.
Resistance is a measure of the opposition to the flow of current in a resistor. The larger a resistors resistance the greater the barrier against the flow of current. A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit.
The resistance toward the flow of current will result in the voltage drop. A resistor is a passive two terminal electrical component that implements electrical resistance as a circuit element. Well maybe it gets warm but thats it.
These devices may provide a permanent adjustable resistance value. Resistors can also be used to provide a specific voltage for an active device such as a transistor. These resistors are generally of low values so that the over all performance of the circuit is not affected.
What does the resistor do to my circuit. A resistor is anything in the circuit that adds resistance. Resistor values in ohms are usually shown as an adjacent number and if several resistors are present in a circuit they will be labeled with a unique identifier number such as r 1 r 2 r 3 etc.
A resistor when introduced in series with the supply terminals of the circuit helps in checking the sudden rise in voltage and averting a possible harm. Its actually a pretty boring device. The resistor is a passive device and doesnt do anything actively to your circuit.

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