Electrical Engineering
helloworld922
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241 Answers

Votes Activity Newest
42
How are current and voltage related to torque and speed of a brushless motor?
Sep 3 '12 at 19:16
35
Why are these readings violating ohm's law? (Are they?)
Sep 28 '15 at 10:25
35
accounting for LED resistance
Jul 19 '13 at 0:52
32
Why route air gaps for voltage isolation on PCBs?
Jun 27 '13 at 8:52
32
When to use pull-down vs. pull-up resistors
Jun 3 '14 at 22:40
32
Choosing resistor values for inverting amplifier and why?
Mar 11 '14 at 8:03
25
How can I tell the size of a barrel power connector?
Mar 3 '13 at 4:12
23
What is the smallest and simplest seed for a random number generator?
Sep 2 '15 at 17:00
19
Why is RAM not put on the CPU chip?
Jun 16 '15 at 0:33
17
Rotary Encoder Detents
Apr 6 '13 at 20:44
17
What is the purpose of a resistor in the feedback path of a unity gain buffer?
Jan 31 '13 at 22:58
16
Half-wave rectifier and RMS value
Jun 9 '13 at 5:30
14
Why do characteristic impedances matter only when traces are longer than half a wavelength?
Jun 30 '15 at 17:46
14
Are the noise floor and signal to noise ratio same things?
Feb 16 '18 at 20:48
13
What's the importance of source impedance termination?
Jun 22 '13 at 0:24
13
What do the arrows in transistor symbols point to (and from)?
Dec 6 '14 at 9:10
13
Is a Schottky diode appropriate for reverse polarity protection?
Jan 10 '13 at 1:42
12
How should unused I/O pins be configured on ATMega328P for lowest power consumption?
Oct 12 '12 at 2:16
12
Why are the power transmission/distribution systems AC and not DC?
Jan 12 '15 at 3:19
12
Why would one drive LEDs with a common emitter?
Feb 12 '13 at 22:25
12
3 phase computer chip
Sep 13 '12 at 19:54
11
How to Measure Power Consumption on Extremely Low Power Devices?
Mar 23 '17 at 1:00
10
Open and Short Circuit questions
Feb 23 '14 at 8:02
10
Should electrolytic capacitors get hot?
Dec 18 '12 at 17:55
9
Will it hurt a non-powered power supply to see 12/24V on the output?
Apr 2 '15 at 17:51
9
How do I find the resistance between three terminals?
Sep 25 '14 at 7:14
9
Why don't power meters measure volt-amps
Sep 5 '13 at 4:57
8
Why is it safer to place a switch on the positive side of a voltage source?
Dec 24 '15 at 1:36
8
can I use any OP AMP as buffer
Dec 13 '15 at 23:56
8
Why are PCB-mount AC DC converters so expensive?
Aug 12 '15 at 23:48
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