Why do we need a pull-up resistor if we can just make a short to the power source?
94321
Pull-up and Pull-down Resistor Usage on Input or Output MCU Pins
69035
Determining current in a branch having no resistor
140667
Is a diode needed for this simple mini solenoid circuit?
68852
Why are the "common" resistors and capacitors rated the way they are?
156010
Using a diode to ensure current flows in only one direction, without causing a voltage drop
130659
When/why would you use a Zener diode as a flywheel diode (on the coil of a relay)?
114285
What exactly is a short circuit?
74862
Why does the CAN bus use a 120 ohm resistor as the terminating resistor and not any other value?
90016
What causes a resistor to heat up?
156325
Pull-up resistor clarification
56605
Is it OK to borrow a ground wire from a different circuit?
26164
Pros and cons of using resistor networks over individual resistors?
64954
Do electrical devices "take what they need"
23784
Reason behind choosing the compensating resistor for input bias current in op amps
96041
A question about E12 series resistors
58516
Limiting the short circuit current of a power supply
2819
Why exactly can't a single resistor be used for many parallel LEDs?