Would resistors short itself?

[Mr. Man-wai Chang]

For my curiosity!

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[Tobias Gadelha]

Em sexta-feira, 2 de agosto de 2013 06h55min53s UTC-3, Mr. Man-wai Chang escreveu:

For my curiosity!



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I think no! In the problem they opened

 

[Mark Storkamp]

For my curiosity!

http://en.wikipedia.org/wiki/Failure_modes_of_electronics#Resistors

 

[Jasen Betts]

For my curiosity!

usually they act like fuses (if abused)

 

[Michael Black]

For my curiosity!

If you apply too much voltage, the voltage could arc around the resistor.
That's why high voltage probes that need a very large value resistor
either use very special resistors intended for the purpose, or a string of
resistors, so if there's arc-over, it won't go around the full value of
the resistors in series, just around one.

Michael

 

[Phil Allison]

"Michael Black"

If you apply too much voltage, the voltage could arc around the resistor.

** Not likely at all.

Nearly all resistors are spirals of material (metal, carbon or composites)
around a ceramic rod - so any breakover will be between adjacent turns in
the spriral. This will probably ruin the part but it will not short end to
end.

A series string of resistors breaks the voltage applied to EACH resistor
down by the number of resistors, making much higher voltages tolerable.


.... Phil

 

[Tom Biasi]

For my curiosity!

Is it just me or does anyone wonder why this guy is obsessed with
components shorting. Maybe he has a different definition of shorting.
Oh well, back to my ale.

 

[Mr. Man-wai Chang]

I counted 3 more trolls here.

Do you three wanna talk about resistors or not? Or do you just wanna
pull your guns?

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[Michael Black]

I counted 3 more trolls here.

They aren't, but even if they were trolls, they've been around here long
enough to have seniority.

Michael

 

[Mr. Man-wai Chang]

They aren't, but even if they were trolls, they've been around here long
enough to have seniority.

I don't care about their ranks! I come here to learn more about
resistors and previously LEDs.

So take this bullying crap back to your US schools and maybe military
barracks!

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[Daniel Pitts]

I don't care about their ranks! I come here to learn more about
resistors and previously LEDs.

So take this bullying crap back to your US schools and maybe military
barracks!

They may be trolling/bullying, or they may simply be fed up. You have an
apparent unwillingness to learn basics for yourself, or to listen to the
advice given free of charge.

Anyway, a lot of your questions could be answered quickly by a Google
search. A lot of the gap in your understanding could be filled by
reading a text book.

Did you ever perform the experiment I suggested about LEDs? A little bit
of lab experimentation beats the hell out of a text book and Google .

Oh, and for the record, whether your intend it or not, your posting
behavior *appears* trollish. I'm not sure what advice I can give to you
that would help you avoid that, but perhaps just being aware could help
you. We are here because we like to discuss electronics, not because we
have any obligation to help you understand electronics.

 

[Tom Biasi]

I don't care about their ranks! I come here to learn more about
resistors and previously LEDs.

So take this bullying crap back to your US schools and maybe military
barracks!

I have no intention of bullying you or anyone else. You have been given
much help but you persist in asking the same thing over and over about
components shorting. What's your definition of a shorted component?

Tom

 

[Mr. Man-wai Chang]

"Mr." Man-wai Chang is representative of what I see as an alarming
increase in these groups... "punks"... ignorant as a stump, but
pompously considering themselves as superior beings.

I represented nobody but myself!

If someone can locate "Mr." Man-wai Chang's kindergarten they should
give him a good spanking >:-}

Did you enjoy spanking others while being a kid?

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[Mr. Man-wai Chang]

I have no intention of bullying you or anyone else. You have been given
much help but you persist in asking the same thing over and over about
components shorting. What's your definition of a shorted component?

What's wrong about looking at a problem from different perspectives? I
could discover something new doing so, notably discrepancies.

--
@~@ Remain silent. Nothing from soldiers and magicians is real!
/ v \ Simplicity is Beauty! May the Force and farces be with you!
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^ ^ 16:27:02 up 17:41 0 users load average: 0.09 0.05 0.05
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[Mr. Man-wai Chang]

I didn't. And I knew that once you 3+1 called the shots, you 3+1 would
not leave me alone, not even after I left/died.

--
@~@ Remain silent. Nothing from soldiers and magicians is real!
/ v \ Simplicity is Beauty! May the Force and farces be with you!
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[Mr. Man-wai Chang]

They may be trolling/bullying, or they may simply be fed up. You have an
apparent unwillingness to learn basics for yourself, or to listen to the
advice given free of charge.

Anyway, a lot of your questions could be answered quickly by a Google
search. A lot of the gap in your understanding could be filled by
reading a text book.

Did you ever perform the experiment I suggested about LEDs? A little bit
of lab experimentation beats the hell out of a text book and Google .

Oh, and for the record, whether your intend it or not, your posting
behavior *appears* trollish. I'm not sure what advice I can give to you
that would help you avoid that, but perhaps just being aware could help
you. We are here because we like to discuss electronics, not because we
have any obligation to help you understand electronics.

What's wrong about looking at a problem from different perspectives? I
could discover something new doing so, notably discrepancies.


--
@~@ Remain silent. Nothing from soldiers and magicians is real!
/ v \ Simplicity is Beauty! May the Force and farces be with you!
/( _ )\ (Fedora 19 i686) Linux 3.10.4-300.fc19.i686
^ ^ 16:27:02 up 17:41 0 users load average: 0.09 0.05 0.05
ä¸å€Ÿè²¸! ä¸è©é¨™! ä¸æ´äº¤! ä¸æ‰“交! ä¸æ‰“劫! ä¸è‡ªæ®º! è«‹è€ƒæ…®ç¶œæ´ (CSSA):
http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/sub_addressesa

 

[Phil Allison]

"Mr. Man-wai Chang" <[email protected]>


** This dude is a read hot wanker.

His fake ID reminds me of a most famous Chinese writer, " Ou Flung Dung ".

Wrote the history the Chinese Revolution .............




.... Phil

 

[JW]

They almost always fail open.

In the old days of carbon composition resistors they might fail
shorted (or going lower in value) on rare occasions. This seemed to
be a problem unique to vacuum toob circuits where high voltage DC is
continuously applied across a high value carbon comp resistor. More
often than not, it would be a "screen" resistor, probably because
even with reduced resistance the current flow was minimal, and not
enough to cause it to burn.

Yup, I've seen this happen to carbon comp bleeder resistors across mains
filter caps as well. Eventually, as the resistance decreases enough, smoke
ensues.

 

[Mr. Man-wai Chang]

"Mr. Man-wai Chang" <[email protected]>
** This dude is a read hot wanker.
His fake ID reminds me of a most famous Chinese writer, " Ou Flung Dung ".
Wrote the history the Chinese Revolution .............

Now we got 3+1+1?


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[Phil Allison]

Now we got 3+1+1?

** My god, now the slanty eyed Chink is a maths genius too.

Ever hear about the dumb blonde who thought "ping pong" was a smelly
Chinaman ?

That joke is just as old as the earlier one -

like 100 years plus.



..... Phil