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Questions tagged [practical]

2 votes
5 answers
278 views

I have an antique truck using an 8 volt battery conversion from its original 6 volt because the starter turned too slowly to crank it. This protected the instruments from damage. If I need to jump ...
Not too bright's user avatar
4 votes
3 answers
1k views

I am in my 4th semester of a 4-year undergraduate electronics rngineering program. All I have learned so far is lots of theory in courses such as analog electronics circuits, digital electronics ...
Koustubh Jain's user avatar
1 vote
1 answer
126 views

I have built the following circuit: I measured the AC RMS at output as 975.8 mV: I can't get anywhere close to that measured value when using the AC voltmeter formula below (for delay angle of 90): ...
filipe's user avatar
  • 33
1 vote
1 answer
478 views

I'm reading through an electronics book to teach myself, and I'm in the section about filters. I've been following along so far, but now I'm confused about how the author came to a conclusion in his ...
Chris's user avatar
  • 13
-7 votes
1 answer
281 views

Examples of why one would to learn electronics are: 1) He works (or intend to) as an electrical engineer 2) He likes (or needs to) repair electronic equipment One thing I find it difficult to ...
Bite Bytes's user avatar
0 votes
2 answers
158 views

What is the mean value of phase noise as a stochastic process? Where can I get a theoretical analysis of this topic?
wu yi's user avatar
  • 61
0 votes
1 answer
525 views

I have a schematic attached that appears to show a switch bypassing an LED, or the other way around. In the working device operating the switch lights the LED and engages (as in turns 'on' a 'normally'...
cschooley's user avatar
  • 103
0 votes
2 answers
2k views

I know there are methods to theoretically determine the damping factor and quality factor in RLC circuits. Equations such as $$\zeta = \frac{R_s}{2} \sqrt{\frac{C}{L}}$$ $$Q = \frac{1}{2\zeta}$$ ...
PartialDifferentials's user avatar
0 votes
1 answer
72 views

Disclaimer: Newbe As I understand things: a car "alternator" generates a/c current the alternator contains diodes that rectify the current to d/c current if one or more diodes fail then the ...
Ruminator's user avatar
  • 105
1 vote
0 answers
157 views

This question occurred to me after looking at some models of stun guns. What I noticed was that some of them like one I bought had metal extensions sort of like prongs, or like tiny metal cones. I ...
Tom's user avatar
  • 537
1 vote
2 answers
819 views

This may be a very simple question. In my lab guide (I am a freshman Electronic Engineering student), we are supposed to build and analyze a circuit on a breadboard. First, we need to select some ...
Bee's user avatar
  • 617
2 votes
1 answer
1k views

This is regarding an integrator op amp design, the rate at which the input voltage charges the integrator's feedback capacitor is 150V/s. I am trying to justify the minimum feedback capacitor value ...
konobyBYnight's user avatar
0 votes
2 answers
1k views

While observing the input characteristics of a Bipolar Junction Transistor(BC547), I observed from the graph that the reverse voltage gain came out to be negative. Is this possible and if so, what is ...
akshayk07's user avatar
  • 381
0 votes
2 answers
2k views

Say for instance, the goal is to light an incandescent bulb for x amount of seconds (let's say 20). What is the simplest configuration possible? Of course, simple timer circuits aren't rare, and can ...
voices's user avatar
  • 1,109
0 votes
2 answers
694 views

I am interested in finding Vgs for E-MOSFET for desired Id or/and Vds. Referring to those equations of drain current in saturation region, value of conduction parameter "K" would be nice to have but ...
lucenzo97's user avatar
  • 2,524

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