resistor
n. countablen. a small part in an electronic circuit that controls the flow of electricity. It makes it harder for the current to pass through, which helps protect other parts from getting too much power.
n. a passive two-terminal electrical component that implements electrical resistance as a circuit element. It reduces current flow and lowers voltage levels within circuits.
The resistor prevents the LED from burning out.
If the circuit draws too much current, you may need to replace the resistor with one that has a higher value.
In this specific amplifier design, the resistor is used to set the gain and ensure the transistor operates within its linear region without overheating.
From resist + -or.
Commonly measured in ohms; often identified by a series of coloured bands that indicate its resistance value.