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david
  • Member for 11 years, 2 months
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65 votes

What is this object found on transmission lines?

22 votes

Why is the unit for capacitance so large?

20 votes

Why do we connect a battery to ground when jumping a car?

20 votes

Why does the resistance of a space heater decrease as it gets hot?

14 votes
Accepted

What is the function of "Picture tube charger"?

13 votes
Accepted

Is there a name for this vintage 3-pin connector configuration?

10 votes
Accepted

Medical electronic devices quality

9 votes

What's the best way to store and categorise resistors/capacitors/ICs/etc?

8 votes

Looking for thin gauge wire that is stiff, conductive, and solderable

7 votes
Accepted

Miniaturization of MOSFET vs. Resistors

7 votes
Accepted

Why SATA is simplex even though it has separate TX and RX pairs?

6 votes

Why does this insulator separate two conductors with equal voltages?

6 votes

Does the paint colour matter on a heat sink?

5 votes

Parallel and Series Circuits Question (Electron Flow)

5 votes

TO-220 case-to-sink thermal resistance

4 votes

Charging lead acid batteries in series

4 votes

Why is my audio amp picking up AM and FM radio stations?

4 votes

How to get UL approval for lamps and pendants

4 votes
Accepted

How will the output of a 12V transformer wall wart differ from that of a 12V SMPS brick?

4 votes

Why are the power transmission/distribution systems AC and not DC?

4 votes

Why don't AC transformers burn up

4 votes

Are there any advantages to using rigid RF coaxial cables?

4 votes
Accepted

Can a lower voltage overheat a magnetron?

4 votes

How does pulse or burp charging work?

4 votes

What is a single socket to ground-only plug adapter for electrical outlets called?

4 votes
Accepted

What is this powerline infrastructure?

3 votes

Is this a "pure" AC signal, or biphasic on a DC base?

3 votes
Accepted

Is this avalanche rugged MOSFET suitable for linear operation?

3 votes

Twisting two cables: Does the rotation of each cable play any role?

3 votes

Why is the diode forward voltage constant?

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