How does an outlet know what wattage to put out?
6784
How does the current know how much to flow, before having seen the resistor?
98252
How do I calculate the power consumed by a lightbulb?
60904
Watts - I think I'm getting free energy from a circuit?
58214
Hard wiring a 4-wire oven to 3-wire outlet?
423
Choosing power supply, how to get the voltage and current ratings?
41833
Why am I not getting power to outside outlet?
41715
What would happen if I use a power supply with a different wattage than the system is designed for?
5227
When would I use a voltage regulator vs voltage divider?
5849
How many outlets can 1/2" copper pipe support?
103408
How does voltage know
78058
Is there any option to store AC voltage?
135049
Is it safe, or even possible, to draw more power from a USB port than it was designed to provide
76354
What's the amperage on a circuit breaker that's "linked" together?
102767
There's a difference between hot/neutral AC lines in a plug, but does it matter?
60265
Why do I only have 30V going to my light fixture
67662
Does a GFCI receptacle provide overcurrent protection?
123900
How do I design a circuit for a bi-color led to display power?