User wbeaty

39 votes

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

answered Jan 25, 2017 at 4:18

35 votes

Accepted

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

power-meter reactance

answered Sep 6, 2011 at 0:23

33 votes

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

antenna

answered Jul 5, 2013 at 8:42

28 votes

Why is an inductor not a good antenna?

antenna energy radiation

answered Mar 11, 2013 at 7:40

25 votes

Accepted

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

transistors logic-gates binary alu compiler

answered Nov 2, 2019 at 23:46

22 votes

Accepted

How critical is winding a solenoid/electromagnet neatly?

transformer solenoid electromagnet

answered May 30, 2020 at 3:24

21 votes

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

voltage current wire electricity

answered Dec 31, 2016 at 2:25

19 votes

Accepted

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

power-supply ac lamp indicator neon

answered Apr 25, 2016 at 0:47

15 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?

transistors diodes bjt semiconductors pn-junction

answered Dec 30, 2016 at 11:41

14 votes

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

infrared remote-control materials

answered Oct 17, 2015 at 22:32

13 votes

Accepted

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

batteries current power-electronics short-circuit

answered Aug 4, 2017 at 6:06

12 votes

Accepted

Silicon Diode Threshold Voltage 0.7

voltage diodes

answered Feb 16, 2017 at 9:22

11 votes

Accepted

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

operational-amplifier bjt comparator

answered May 3, 2018 at 1:14

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?

electromagnetism signal-processing linearity

answered Dec 22, 2018 at 15:38

11 votes

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

pcb pcb-fabrication laser

answered Aug 15, 2016 at 8:22

11 votes

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

oscilloscope

answered Aug 18, 2013 at 8:38

11 votes

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

resistors circuit-design resistance short-circuit

answered Feb 23, 2018 at 2:37

10 votes

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

current basic

answered Jul 18, 2017 at 17:46

9 votes

where is the closed path in tesla coil?

transformer 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?

microwave magnetron

answered Jan 22, 2020 at 11:21

9 votes

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

resistance

answered Feb 16, 2017 at 8:37

9 votes

Accepted

How does this transistor dual LED flasher circuit work?

led transistors

answered Sep 10, 2015 at 2:19

8 votes

Accepted

Tesla coil and Tesla tower

tesla-coil

answered Sep 21, 2019 at 20:04

8 votes

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

current antenna semiconductors charge transient

answered Dec 11, 2021 at 3:14

8 votes

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

operational-amplifier

answered Sep 10, 2015 at 8:01

8 votes

Accepted

How does this continuity/mains tester work?

mains tester

answered Dec 13, 2012 at 4:38

7 votes

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

ac power-engineering power-grid distribution-network microgrid

answered Jan 12, 2021 at 23:34

7 votes

Accepted

How do ZOR antennas work?

antenna pcb-antenna

answered Dec 3, 2019 at 5:34

7 votes

Accepted

Current flow intuition in a circuit

current

answered Mar 21, 2016 at 8:29

7 votes

Accepted

Lower than 0.7-0.6V voltage drop on sillicon diodes

voltage led current diodes

answered May 31, 2016 at 22:46

Stack Exchange Network

current community

your communities

more stack exchange communities

276 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?

How critical is winding a solenoid/electromagnet neatly?

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

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

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?

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

Silicon Diode Threshold Voltage 0.7

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

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?

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

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

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

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

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 tungsten be a conductor and also have high resistance?

How does this transistor dual LED flasher circuit work?

Tesla coil and Tesla tower

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

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

How does this continuity/mains tester work?

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

How do ZOR antennas work?

Current flow intuition in a circuit

Lower than 0.7-0.6V voltage drop on sillicon diodes