Simon B's user avatar
Simon B's user avatar
Simon B's user avatar
Simon B
  • Member for 8 years, 9 months
  • Last seen this week
  • England
46 votes
Accepted

Why does the current carrying capability of a cable increase with temperature

34 votes
Accepted

Component requires specific voltage and current but the math doesn't add up

32 votes
Accepted

Why do fuses have a maximum breaking capacity?

26 votes
Accepted

Where is the LED in this light bulb?

25 votes

Why is digital serial transmission used everywhere? i.e. SATA, PCIe, USB

24 votes
Accepted

If cost can be ignored, is a higher-value capacitor for ripple suppression always a good choice?

22 votes

How have my neighbours’ appliances been damaged?

21 votes

What is the correct supply voltage for LEDs?

20 votes
Accepted

Why do computers have only a few thousand instructions when they could have millions?

18 votes
Accepted

Does some current return to the power company through ground?

15 votes

Do wires go bad?

14 votes

My "nail and wire" electromagnet isn’t working

14 votes

Does current in a circuit change when it passes through a resistor?

13 votes

Determining if mystery PCB with barrel jack power connector is center positive or center negative

13 votes

Why did USB win out over parallel interfaces?

13 votes

How can energy "physically" be fed back into the grid?

13 votes

Trouble with powering DC motors from solar panels and large capacitor

13 votes

Why is the telecom input power supply range 36 to 72 V (polarity ignored)?

12 votes

What's the reason for large VA vs W difference in an inverter?

12 votes

What is the danger of using ground as the return path in normal use?

11 votes

How do ohm meters measure high resistances?

11 votes

Are there any microcontrollers that do not require an external clock source?

10 votes

How do I know if the diode has 0.7 V?

10 votes
Accepted

Antistatic bag inside plastic bag?

10 votes

Is there a mnemonic to remember direction of current flow?

10 votes

How do I calculate resistance when I have the voltage drop?

9 votes
Accepted

Toy-like plastic strip for allowing turn-on

8 votes

Why does a timing light connect to 12 V?

8 votes

If an electron has 0 electric potential after passing through a resistor, how does it flow to the other terminal

8 votes

What is "switched neutral"?

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