New posts in Voltage

What makes the buzzing sound when touching an audio line?

Can I connect my laptop that runs on 18.5V directly to a 12V battery?

Do I need to use any external parts with a voltage regulator?

Why is mains power sometimes 110V and other times 120V?

What is ground and what does it do?

How do I reduce voltage from 5V to 1V using a resistor?

What resistor to use with this RGB LED?

What is the lowest capacitor voltage rating that is safe to use?

230V AC to 5V DC converter, lossless

Center tap split supply question