« previous next »
Pages: 1 ... 155 156 [157] 158 159 160   Go Down

Author Topic: ALL PHYSICS DOUBTS - POST HERE !!  (Read 225176 times)

6394

  • Guest
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2340 on: May 27, 2010, 01:14:35 am »
soreee 2 disturb kazim bt ans this : wen less temp , more res.less voltage n vic versa ryt--> for thermistor
so circuit wont switch on
« Last Edit: May 27, 2010, 01:16:46 am by 6394 »
Logged

Offline NidZ- Hero

  • People say i m borderline crazy Sorta kinda :D
  • SF Senior Citizen
  • *****
  • Posts: 958
  • Reputation: 21263
  • Gender: Female
  • IDK what makes u such a LOSER.But it really works
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2341 on: May 27, 2010, 01:15:14 am »
Quote from: Syed Kazim on May 27, 2010, 01:06:50 am
BC+DC=17.5m/s
but y i dunt understand
Logged

Offline Ivo

  • SF Geek
  • ****
  • Posts: 515
  • Reputation: 2767
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2342 on: May 27, 2010, 01:17:32 am »
Quote from: Ivo on May 27, 2010, 12:09:06 am
The 22,000V thing, is it equally supplied to each of the lines.  Also, what's defined as p.d. betweeen the pair of wires, I don't get taht

Please can someone answer my doubt.  Many thanks
Logged
Always willing to help!  8)
"In helping others, we shall help ourselves, for whatever good we give out completes the circle and comes back to us."

6394

  • Guest
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2343 on: May 27, 2010, 01:22:18 am »
Quote from: Ivo on May 27, 2010, 01:17:32 am
Please can someone answer my doubt.  Many thanks

is dat from 09 o n
because i hve de sam doubt
e part
Logged

Offline Ivo

  • SF Geek
  • ****
  • Posts: 515
  • Reputation: 2767
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2344 on: May 27, 2010, 01:24:02 am »
Quote from: 6394 on May 27, 2010, 01:22:18 am
is dat from 09 o n
because i hve de sam doubt
e part

yes, w09.  What's the 22,000V about?
Logged
Always willing to help!  8)
"In helping others, we shall help ourselves, for whatever good we give out completes the circle and comes back to us."

6394

  • Guest
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2345 on: May 27, 2010, 01:50:05 am »
ivo wats tym dere n wen s ur ppr
??
Logged

6394

  • Guest
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2346 on: May 27, 2010, 01:56:03 am »
ok ppl gud luk
dint sleep at nyt =P
pray 4 me
Talk to you later
Take care

 :) :) :) :) :) ;) ;) ;) ;) ;) :D :D :D :D :D ::) ::) ::) ::) :P :P :P
Logged

Offline J.Darren

  • SF Geek
  • ****
  • Posts: 405
  • Reputation: 956
  • Gender: Male
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2347 on: May 27, 2010, 04:29:38 am »
Quote from: 6394 on May 27, 2010, 01:22:18 am
is dat from 09 o n
because i hve de sam doubt
e part
From part b we have found the current in one of the transmission lines to be 2.5 A using the equation P = IV. From part c we have found the power loss to be 18.75W using the equation P = I^2 R. From part d we have found the voltage drop to be 7.5 V using the equation V = IR. The voltage drop here is referring to the voltage at thje receiving end of the transmission lines, a pair of transmission lines will have a voltage drop of 7.5 * 2 = 15 V, the answer would then be 22000 - 15 = 21985 V.
Logged
Do not go where the path may lead. Go instead where there is no path and leave a trail.

Offline jellybeans

  • ,i'm hungry xB
  • SF Senior Citizen
  • *****
  • Posts: 826
  • Reputation: 837
  • Gender: Female
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2348 on: May 27, 2010, 05:05:15 am »
HI@@@ URGENT.
WHEN DO WE USE SINR / SINI?

from MEDIUM TO AIR?
Logged
You said I must eat so many lemons cause I am so bitter.

Offline Girlie45

  • Newbie
  • *
  • Posts: 8
  • Reputation: 24
  • Gender: Female
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2349 on: May 27, 2010, 05:11:59 am »
When is acceleration increasing in a speed/time graph ???  ???
Logged

Offline CatAly$t

  • SF Citizen
  • ***
  • Posts: 241
  • Reputation: 256
  • Gender: Male
  • Ade MeLayU ke Kat $!n!???
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2350 on: May 27, 2010, 07:11:11 am »
Quote from: jellybeans on May 27, 2010, 05:05:15 am
HI@@@ URGENT.
WHEN DO WE USE SINR / SINI?

from MEDIUM TO AIR?

sin i/sin r


to find the refractive index of a substance.....
Logged
InshaAllah 8 A* in IGCSE....Ameen.....

Ade MeLayU ke Kat $!n!???

Offline CatAly$t

  • SF Citizen
  • ***
  • Posts: 241
  • Reputation: 256
  • Gender: Male
  • Ade MeLayU ke Kat $!n!???
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2351 on: May 27, 2010, 07:19:17 am »
Quote from: Girlie45 on May 27, 2010, 05:11:59 am
When is acceleration increasing in a speed/time graph ???  ???

when the gradient is positive...
Logged
InshaAllah 8 A* in IGCSE....Ameen.....

Ade MeLayU ke Kat $!n!???

Offline Vin

  • SF V.I.P
  • ********
  • Posts: 7914
  • Reputation: 52609
  • Gender: Male
    • Theory of Life - A new skew.
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2352 on: May 27, 2010, 08:01:27 am »

Hey sup guys hows everything going ?? :D
Logged

Offline lalala

  • Newbie
  • *
  • Posts: 11
  • Reputation: 21
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2353 on: May 27, 2010, 08:02:32 am »
guys..i think its been 24 hours :P can i discuss something abt phy p1?
Logged

Offline Vin

  • SF V.I.P
  • ********
  • Posts: 7914
  • Reputation: 52609
  • Gender: Male
    • Theory of Life - A new skew.
Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #2354 on: May 27, 2010, 08:12:52 am »
Quote from: lalala on May 27, 2010, 08:02:32 am
guys..i think its been 24 hours :P can i discuss something abt phy p1?

Let the MODERATORS agree to it ..   :)

then discuss it here .. ;)

https://studentforums.biz/index.php/topic,7273.2700.html
Logged
Pages: 1 ... 155 156 [157] 158 159 160   Go Up
« previous next »