When the laptop plugged in, the screen dimmed. What happened?

5 answer

Switching power supply (AC-DC) use notes and tips

4 answer

Laptop power supply is bad

3 answer

The role of inductance in the circuit

4 answer

Desktop computer power supply is more stable?

5 answer

Switching power supply and communication power difference

3 answer

trying to figure out the inductance of the inductor in the circuit, do i use peak to peak V or RMS V?

5 answer

Is the industrial atomizer good with a switching power supply or a toroidal transformer?

3 answer

equivalent inductors for series and parallel combinations?

1 answer

Dell 9020MT business computer can only use 290W dedicated power?

3 answer

Is the power cabinet and the control cabinet separate?

3 answer

Why does the light of apple notebook power line become orange?

3 answer

Switching power supply

3 answer

5.5 kW 4-pole motor with the fastest speed can exceed the rated speed?

3 answer

Two-wire NPN near switch, switching power supply, and how to connect with Mitsubishi PLC?

3 answer

Is the laptop power adapter waterproof?

3 answer

Lenovo laptop power cord can use a universal product?

5 answer

Ups is what (computer)

2 answer

Why consumers use inductors for AC power and how they can use capacitors to increase power?

1 answer

What are the colors of the three wires for the three power plug?

3 answer

Switching power supply for DCM status and CCM status

4 answer

At a given instant the current through an inductor is 15.5 mA and is increasing at the rate of 270 mA/s .?

1 answer

Notebook power adapter jacks hot cause

3 answer

what is the relationship between voltage and current for resistor,capacitor and inductor?

2 answer

Why does the frequency change when the frequency converter regulates the frequency?

4 answer

What is the PWM high-frequency switching power supply

3 answer

Samsung notebook p428 can not boot, the power adapter indicator light, the notebook's power indicator light does not shine

2 answer

What do you mean by AC and DC above the power?

4 answer

The inductor current?

2 answer

Where is the printer power switch and how do I put the paper in?

3 answer