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Top Questions
157
votes
How can I efficiently drive an LED?
led
current
led-driver
asked Jan 23, 2013 at 2:18
electronics.stackexchange.com
59
votes
Why would one drive LEDs with a common emitter?
led
transistors
driver
bjt
asked Feb 12, 2013 at 22:12
electronics.stackexchange.com
47
votes
How can I implement regenerative braking of a DC motor?
motor
h-bridge
asked Jan 26, 2013 at 13:42
electronics.stackexchange.com
39
votes
Why is an inductor not a good antenna?
antenna
energy
radiation
asked Feb 14, 2013 at 19:25
electronics.stackexchange.com
37
votes
What is the difference between the magnetic H field and the B field?
electromagnetism
magnetics
asked Dec 27, 2013 at 12:22
electronics.stackexchange.com
36
votes
How did separation of code and data become a practice?
design-patterns
asked Feb 19, 2014 at 3:58
softwareengineering.stackexchange.com
32
votes
Is butter ever the same after having been melted?
butter
melting
asked Apr 28, 2016 at 16:04
cooking.stackexchange.com
30
votes
What makes a "balanced" audio signal?
audio
balanced
asked Jan 8, 2014 at 13:39
electronics.stackexchange.com
28
votes
What happens at the end of a transmission line?
rf
transmission-line
impedance-matching
asked Jun 13, 2013 at 12:19
electronics.stackexchange.com
28
votes
What prevents laws from being interpreted pedantically?
united-states
asked Mar 18, 2020 at 19:26
law.stackexchange.com
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Top Answers
256
How can I efficiently drive an LED?
electronics.stackexchange.com
182
Would a Moon made of water pose a threat to Earth during eclipses?
worldbuilding.stackexchange.com
157
Why do bell curves appear everywhere?
math.stackexchange.com
147
When to optimize for memory vs performance speed for a method?
softwareengineering.stackexchange.com
82
Does mAh measure how long a battery would last?
electronics.stackexchange.com
80
MOSFET: Why the drain and source are different?
electronics.stackexchange.com
80
How can I implement regenerative braking of a DC motor?
electronics.stackexchange.com
75
Pythonic way to avoid "if x: return x" statements
stackoverflow.com
73
My understanding of RC circuits is broken
electronics.stackexchange.com
72
How does a capacitor smooth energy?
electronics.stackexchange.com
72
Does lift equal weight in a climb?
aviation.stackexchange.com
71
Since cables carry electricity moving at the speed of light, why aren't computer networks much faster?
physics.stackexchange.com
68
Creating a dictionary from a CSV file
stackoverflow.com
61
Does turning a lighbulb on and off repeatedly use more energy than just leaving it on for hours?
electronics.stackexchange.com
61
Why does wavelength affect diffraction?
physics.stackexchange.com
58
Why do some small-time real-estate owners struggle while others thrive?
money.stackexchange.com
56
What is input and output impedance of an opamp?
electronics.stackexchange.com
55
Is this really a golden ratio spiral?
physics.stackexchange.com
55
Reattaching fallen shelf to wall?
diy.stackexchange.com
55
What is ground and what does it do?
electronics.stackexchange.com
50
Russia 'Fired Rockets INTO Ukraine' - BBC
ell.stackexchange.com
44
Why do escrow services use wire transfer?
money.stackexchange.com
44
Effect of different metals for antenna elements
ham.stackexchange.com
44
Difference between Brushless Motor and Stepper Motor
electronics.stackexchange.com
42
Using a balun with a resonant dipole
ham.stackexchange.com
42
Why are these periods the same: a low earth orbit and oscillations through the center of the earth?
physics.stackexchange.com
41
Command to remove a ssh authorized key on server
superuser.com
41
Is Ohm's Law violating itself?
electronics.stackexchange.com
40
How can PCB trace have 50 ohm impedance regardless of length and signal frequency?
electronics.stackexchange.com
40
Why do we need an isolation transformer to connect an oscilloscope?
electronics.stackexchange.com
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