User wbeaty

42 votes

"Ground" vs. "Earth" vs. common vs. negative terminal

answered Jan 25, 2017 at 4:18

37 votes

Accepted

If the energy meter sees a reactive load, will it register a lower reading?

answered Sep 6, 2011 at 0:23

34 votes

How does an antenna radiate (how do currents flow through the wire)

answered Jul 5, 2013 at 8:42

30 votes

Why is an inductor not a good antenna?

answered Mar 11, 2013 at 7:40

25 votes

Accepted

What is the process of going from machine code to electrically controlling individual transistors?

answered Nov 2, 2019 at 23:46

22 votes

Why is there no net current in a wire without a voltage applied?

answered Dec 31, 2016 at 2:25

22 votes

Accepted

How critical is winding a solenoid/electromagnet neatly?

answered May 30, 2020 at 3:24

20 votes

Accepted

Why does a neon lamp indicator on a power strip switch flicker in the dark?

answered Apr 25, 2016 at 0:47

17 votes

Accepted

How can there even be an input voltage on a long-tailed pair?

answered May 3, 2018 at 1:14

16 votes

Why can current flow through the reverse biased base-collector junction (N-P junction) in a BJT with a forward biased base-emitter junction?

answered Dec 30, 2016 at 11:41

14 votes

What is the purpose of the IR-diode Cover on Remote Controls?

answered Oct 17, 2015 at 22:32

14 votes

My scope detects a 50Hz signal when the probe is not connected to a circuit, is this normal?

answered Aug 18, 2013 at 8:38

13 votes

Accepted

Silicon Diode Threshold Voltage 0.7

answered Feb 16, 2017 at 9:22

13 votes

Accepted

Will a battery short out when the terminals are directly connected together or will internal resistance save it?

answered Aug 4, 2017 at 6:06

13 votes

Why do we "need" resistors (I understand what they do, just not why...)?

answered Feb 23, 2018 at 2:37

11 votes

How is it that two electric currents can travel in opposite directions on the same wire, at the same time, without interfering with each other?

answered Dec 22, 2018 at 15:38

10 votes

If Conventional Current is wrong, how can I trace the flow of current in a schematic?

answered Jul 18, 2017 at 17:46

10 votes

Blasting copper off a substrate with a 808nm laser diode- viability

answered Aug 15, 2016 at 8:22

9 votes

Accepted

How does this continuity/mains tester work?

answered Dec 13, 2012 at 4:38

9 votes

Accepted

How does this transistor dual LED flasher circuit work?

answered Sep 10, 2015 at 2:19

9 votes

How can tungsten be a conductor and also have high resistance?

answered Feb 16, 2017 at 8:37

9 votes

where is the closed path in tesla coil?

answered Jul 4, 2018 at 5:10

9 votes

How is it possible that emitting electrons create alternating charges in the cavities of a magnetron?

answered Jan 22, 2020 at 11:21

9 votes

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

answered Jan 12, 2021 at 23:34

8 votes

Learning the principles of op-amps - Why are there so many?

answered Sep 10, 2015 at 8:01

8 votes

What is the physical model for energy flow in or around a lossless conductor during transient analysis? (Veritasium Electricity in Wires)

answered Dec 11, 2021 at 3:14

8 votes

Accepted

Tesla coil and Tesla tower

answered Sep 21, 2019 at 20:04

7 votes

Accepted

Current flow intuition in a circuit

answered Mar 21, 2016 at 8:29

7 votes

Accepted

Lower than 0.7-0.6V voltage drop on sillicon diodes

answered May 31, 2016 at 22:46

7 votes

How to measure small, spiky amounts of current?

answered Jan 9, 2018 at 1:12

Stack Exchange Network

278 Answers

"Ground" vs. "Earth" vs. common vs. negative terminal

If the energy meter sees a reactive load, will it register a lower reading?

How does an antenna radiate (how do currents flow through the wire)

Why is an inductor not a good antenna?

What is the process of going from machine code to electrically controlling individual transistors?

Why is there no net current in a wire without a voltage applied?

How critical is winding a solenoid/electromagnet neatly?

Why does a neon lamp indicator on a power strip switch flicker in the dark?

How can there even be an input voltage on a long-tailed pair?

Why can current flow through the reverse biased base-collector junction (N-P junction) in a BJT with a forward biased base-emitter junction?

What is the purpose of the IR-diode Cover on Remote Controls?

My scope detects a 50Hz signal when the probe is not connected to a circuit, is this normal?

Silicon Diode Threshold Voltage 0.7

Will a battery short out when the terminals are directly connected together or will internal resistance save it?

Why do we "need" resistors (I understand what they do, just not why...)?

How is it that two electric currents can travel in opposite directions on the same wire, at the same time, without interfering with each other?

If Conventional Current is wrong, how can I trace the flow of current in a schematic?

Blasting copper off a substrate with a 808nm laser diode- viability

How does this continuity/mains tester work?

How does this transistor dual LED flasher circuit work?

How can tungsten be a conductor and also have high resistance?

where is the closed path in tesla coil?

How is it possible that emitting electrons create alternating charges in the cavities of a magnetron?

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

Learning the principles of op-amps - Why are there so many?

What is the physical model for energy flow in or around a lossless conductor during transient analysis? (Veritasium Electricity in Wires)

Tesla coil and Tesla tower

Current flow intuition in a circuit

Lower than 0.7-0.6V voltage drop on sillicon diodes

How to measure small, spiky amounts of current?