Purpose of a Pull-Down resistor
100683
What is the purpose of a pull-up resistor in a microcontroller?
146155
Use of ground symbols in circuit diagrams
6784
How does the current know how much to flow, before having seen the resistor?
110730
Why drive a relay with a transistor switch?
127235
Dynamic Braking resistor chopper circuit
42002
Why must resistors be on the respective anode terminals instead of the common cathode terminal of a RGB LED?
152660
Why use a transistor for getting a Constant Current Source in a circuit with an op amp?
54835
Why does a resistor need to be on the anode of an LED?
1069
Correct formula for LED current-limiting resistor?
74262
Does the resistor have to be before or after the component
23708
Resistor in series
157314
Why, microscopically, is the voltage drop across a resistor affected by the current through it?
136180
How to use resistors?
155857
Voltage rating vs. power rating of a resistor
112984
Current in series resistors and voltage drop in parallel resistors
31928
What's the difference between a shunt resistor and a four-terminal resistor?
85467
What's the function of the three input resistors in the below circuit?