Do Resistors reduce current?

Related questions

1. How can we reduce current?
2. What happens if you don't use a resistor with an LED?
3. How do you reduce voltage?
4. Can resistors reduce voltage?
5. What is Ohm's law formula?
6. What is the function of lm317?
7. Do diodes reduce current?
8. Why does E stand for voltage?
9. What is a Schottky diode used for?
10. Why do LEDs need a resistor?

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23. #potential