This fundamental component provides a fixed amount of electrical resistance, converting excess electrical energy into heat. They are manufactured in various forms, from tiny surface-mount thick-film chips to massive wirewound ceramic cylinders used for power dissipation. Circuit designers rely on them to set bias points for active devices, pull logic lines to known states, and filter signals when paired with capacitors.
Swap out that 10k resistor for a 4.7k to pull the gate high a little faster.
Pay attention to power ratings; dropping a quarter-watt through-hole part into a circuit dissipating half a watt will quickly let the magic smoke out.
Related terms
Pull-up resistor
A resistor connected between a logic pin and a positive supply voltage to hold the line at a logic high state.
Pull-down resistor
A resistor connected between a logic pin and ground to hold the line at a logic low state.
Potentiometer
A three-terminal variable resistor used to manually adjust voltage or resistance in a circuit.
Rheostat
A two-terminal variable resistor used to control current flow in a circuit.