Electrical Engineering
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Trevor_G's user avatar
Trevor_G's user avatar
Trevor_G
  • Member for 6 years, 7 months
  • Last seen more than 5 years ago
  • Waterloo, ON, Canada
Profile Activity

1,213 Answers

Score Activity Newest
112 votes
Accepted

Fan and heatsink - suck or blow?

100 votes
Accepted

Why can current only flow in loops?

95 votes

What software was used for drawing this schematic?

92 votes
Accepted

Batteries. Why use 9V?

67 votes

How to design the gate resistor value?

57 votes
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Why is main's neutral tied to earth?

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

49 votes

Why do CRTs have 3 electron guns?

40 votes
Accepted

Does a diode really follow Ohm's Law?

39 votes
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Short circuit = no power?

35 votes

Why is the diode forward voltage constant?

33 votes

Using CPU heat to generate electricity

29 votes
Accepted

How to convert a digital signal from 24V to 5V

28 votes
Accepted

What's this driving circuit of LED?

28 votes
Accepted

How does the telephone's keypad work?

27 votes

Why motherboards have two pins for LEDs, led+ and led-

26 votes

Is it possible to step down 240 AC to 5 DC without transformer?

26 votes
Accepted

How to solder connections to this board

25 votes
Accepted

PCB Design: Through hole components on both sides?

24 votes

555N vs. 555P? One works, the other does not!

23 votes
Accepted

Accidentally downmixed stereo to mono, why does this work?

23 votes

Prevent corrosion of circuit board fallen in water

21 votes
Accepted

Battery operation

21 votes
Accepted

Regulate 5V to 5V with LM1117?

21 votes
Accepted

What order of magnitude should I expect the parasitic capacitance to be for a solderless breadboard?

20 votes

How can 4 resistors of 30ohms each be connected so you end up with a resistance of 18ohms?

20 votes

Connector Placement

20 votes
Accepted

How do I read these blasted five-band resistors?

20 votes

Why do devices stop operating properly in extreme cold?

19 votes

Why don't three-phase transformers use toroidal cores?

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