Uses
- Current Limiting: Carbon resistors are used to limit current in circuits, protecting sensitive components like LEDs or transistors from excessive current.
- Voltage Division: In voltage divider circuits, carbon resistors help in splitting voltage across different components to achieve the desired voltage levels.
- Load Resistor: They are often used as load resistors to simulate various electrical loads for testing purposes, such as measuring the performance of power supplies or other devices.
- Signal Attenuation: Carbon resistors are used to attenuate signals in audio, radio frequency, and other communication systems to reduce signal strength for testing.
- Calibration and Testing: In laboratories, carbon resistors serve as reference resistors in calibration and testing of instruments like multimeters and oscilloscopes.
- Filter Circuits: They are integral components in RC (resistor-capacitor) filter circuits, which are used to filter frequencies in signal processing and electronic applications.
- Heat Dissipation: In power supplies or amplifier circuits, carbon resistors dissipate excess heat by converting electrical energy into heat, ensuring the circuit stays within safe operating conditions.
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