Electrical Engineering
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11,313 Answers

Votes Activity Newest
133
What is the reason that the value “47” is so popular in electrical engineering?
May 2 '13 at 21:47
89
Why do banana plugs need these holes?
Sep 7 '20 at 10:37
79
Why is the Digital 0 not 0V in computer systems?
Sep 11 '19 at 10:10
78
Reasons not to use a 741 op-amp?
May 10 '17 at 9:52
64
Is there a technical reason why most touch screens use glass rather than plastic?
May 9 '16 at 8:17
57
Ceramic caps vs electrolytic. What are the tangible differences in use?
May 6 '16 at 10:01
55
Is it ok to 'snake' the flow of my schematic?
Dec 16 '18 at 17:17
54
Why is sine wave preferred over other waveforms?
Feb 5 '15 at 12:44
53
Is ground connection in home electrical system really necessary?
Nov 25 '20 at 13:15
52
Moisture Trapped in IP66 Enclosure
Aug 1 '18 at 17:27
49
Two resistors in series
Nov 16 '16 at 18:05
48
How did old television screens with a light grey phosphor create the darker contrast parts of the display?
Feb 7 at 17:05
45
Optical audio transmitter can't handle speech
Feb 1 '18 at 19:24
44
How to make a dummy load of 1000W - 2000W?
Nov 3 '15 at 9:07
42
What is the purpose of the emitter resistor in a common emitter amplifier?
Mar 28 at 10:18
42
Why are there 3.15A fuses?
Jul 19 '16 at 7:35
41
RF Energy Harvesting
Jun 12 '15 at 9:06
40
Why does 1/4 wavelength have a ground plane and 1/2 wavelength needs none?
Feb 10 '20 at 15:04
40
Why do transformers use so many turns?
Feb 4 '17 at 20:23
38
Why recommend tantalum over ceramic capacitor for voltage regulator?
Mar 29 at 9:19
38
What does a Bode plot represent and what is a pole and zero of a Bode plot?
Apr 14 '20 at 8:27
38
Why is electricity consumption billed in watts and not amperes?
Apr 5 '20 at 18:00
38
What is a sine wave?
May 23 '18 at 12:02
38
What does 232 signify in the RS232 standard?
Feb 1 '17 at 11:58
37
How can a one million megohm resistor be useful?
Dec 11 '16 at 12:36
37
Where did the value of 0.1uF for bypass capacitors come from?
May 26 '15 at 14:04
36
Can people act like antennas?
Apr 18 '16 at 7:52
36
How can I measure the RPM of a Frisbee?
Jun 18 '14 at 19:39
34
Why use two 0.1 µF capacitors in parallel?
Jan 3 '20 at 10:39
34
How are unbalanced coaxial cables used for broadcasting TV signals without any problems?
Sep 11 '19 at 20:45
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