414,370 views
25 votes
25 votes
What does a capacitor do in a circuit?

User MrZander
by
2.6k points

1 Answer

22 votes
22 votes
Capacitors are widely used in electronic circuits for blocking direct current while allowing alternating current to pass. In analog filter networks, they smooth the output of power supplies. In resonant circuits they tune radios to particular frequencies.
User Hizzy
by
3.0k points