UNI-FIM
INFORME DE LABORATORIO – FISICA III
ÍNDICE Objetivos…………………………………………………………………………….2 Objetivos…………………………………………………………………………….2
Fundamento teórico…………………………………………………...…………...3 teórico…………………………………………………...…………...3
Equipo a utilizar ……………………………………………………………….…...9 ……………………………………………………………….…...9
Procedimiento………………………………………………………………..…….10 Procedimiento………………………………………………………………..…….10
Hoja de Datos…………………………………………………………….………..14 Datos…………………………………………………………….………..14
Cálculos y resultados………………………………………………………………15 resultados………………………………………………………………15
Conclusiones……………………………………………………………...………..17 Conclusiones……………………………………………………………...………..17
Observaciones………………………………………………………………………18 Observaciones………………………………………………………………………18
Bibliora!"a…………………………………………………………………………...18 Bibliora!"a…………………………………………………………………………...18
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
INFORME DE LABORATORIO N°5 “CARGA Y DESCARGA DE UN CONDENSADOR EN UN CIRCUITO RC
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INFORME DE LABORATORIO – FISICA III
FUNDAMENTO TEÓRICO #$ %oltaje& tensión o di!erencia de potencial E# -#(" ("!$%! - %"+"!/% " *-("!/%# "$ # *+"$%! ='" ""+/" '! '"!(" " $',%!%$(+- " "!"+& "#/(+%/ - '"+> "#"/(+-,-(+%> :FEM< $-+" #$ /+&$ "#/(+%/$ - "#"/(+-!"$ "! '! /%+/'%(- "#/(+%/- /"++- *+ ='" $" "$(#">/ "# #'- " '! /-++%"!(" "#/(+%/. A ,6-+ %"+"!/% " *-("!/%# - *+"$%! ='" ""+> '! '"!(" " FEM $-+" #$ /+&$ "#/(+%/$ - "#"/(+-!"$ /-!("!%-$ "! '! /-!'/(-+ ,6-+ $"+? "# -#(" ("!$%! ")%$("!(" "! "# /%+/'%(- # ='" /-++"$*-! "$" /-!'/(-+. '$ Condensador E# /-!"!$-+ - /*/%(-+ #,/"! "!"+& "! # -+, " '! /,*- "#/(+%/- :"$ "%"!(" /'!- "# /*/%(-+ '!/%-! /-! /-++%"!(" %+"/( < 6 $" ##, /*/%(!/% /*/% # /!(% " /+&$ "#/(+%/$ ='" "$ /*> " #,/"!+. L /*/% "*"!" " #$ /+/("+$(%/$ $%/$ "# /-!"!$-+@ •
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
($ )ipos de condensadores 3.1.
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INFORME DE LABORATORIO – FISICA III Fig. A0#/ e)&s e" &n!ensa!&r !e *&"ister
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
3.7.
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
EQUIPO A UTILIZAR 1.- Un )#"ti)etr& !igita" a*ait&res
2.- Resistenias ;
3.- Osi"&s&*i&
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
PROCEDIMIENTO 1. J-!"+ "! -*"+/%! "# -$/%#-$/-*%- 6 "# &"!"+-+ " '!/%!.
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
14. M% "# (%",*- "! ='" # /-++%"!(" "/" 37Q " $' #-+ %!%/%#.
15. #" /% '"+ "# /-!(+-# 1 6 /-#-='" "# /-!(+-# 21 "! *-$%/%! ADD $" -$"++ # -! /'+ *-+ ='
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INFORME DE LABORATORIO – FISICA III
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INFORME DE LABORATORIO – FISICA III
CÁLCULOS Y RESULTADOS #$ Encuentre los valores de las capacitancias de los condensadores usados y compare con la capacitancia dada por el !abricante$ ,se un cuadro como el se-alado en la u"a$ D"# $%&'%"!(" /'+-@ R :O,<
R1 K 1000 R1 K 1000 R2 K 10000 R2 K 10000 R3 K 84 R3 K 84
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252 252 252 252 252 252
P ")*"+%,"!(# :$< 50 100 500 1000 4.5 9
C -("!%:F<
C !-,%!# :F<
C 1 K 0.05 C 2 K0.1 C 1 K 0.05 C 2 K 0.1 C1 K 0.053 C2 K 0.1071
C1 K 0.0587 C2 K 0.1001 C1 K 0.0587 C2 K 0.1001 C1 K 0.0587 C2 K 0.1001
'$ .Podrá usar una !recuencia de #// 0Hz en luar de '1/ 0Hz para 2allar el tiempo 34+C de los circuitos +C analizados en este e5perimento6 .Por qu76 N- *-+='" #("++ # !('+#"> " #-$ /-!"!$-+"$ 6 #-$ +.
($ Escriba los valores de + #& + ' y C usados en el paso '/ del procedimiento$ L-$ #-+"$ $-! #-$ $%&'%"!("$@ R1 K 1000 V R2 K 10000 V C K 0.1001 F *$ .Cuáles son los valores de corriente m"nima y má5ima durante la cara del condensador que usted observa en el paso '/ del procedimiento6 8e9n sus cálculos& .cuáles deber"an ser esos valores6 S"&H! #$ ,"%/%-!"$ (-,$ "! "# /%+/'%(- #-$ #-+"$ ,?)%,- 6 ,!%,- " # %!("!$% $-!@ I,)W")* K 7.4 ,A I,%!W")* K 0.1 ,A J"+- ("+%/,"!(" :(+!- " # ,%$, ,!"+ "! ='" $" ",'"$(+ #$ -+,'#$ $ "! "# '!,"!(- ("+%/-< -("!",-$ "# #-+ " # %!("!$% " /-++%"!(" "! '! "("+,%!- (%",*-@ -( R 1 +R 2 ) t 1 R2
dq ε CR I( t) = = e dt R1
D" -!" -("!",-$ #-$ #-+"$ ,?)%,- 6 ,!%,- /'!- ( K 0 6 ( X "!(-!/"$@ 1
UNI-FIM
INFORME DE LABORATORIO – FISICA III I,)W("- K
ε R 1 K 10 ,A
I,%!W("- K
ε ( 0 ) K 0 ,A R1
1$ .Cuáles son los valores de corriente m"nima y de corriente má5ima durante la descara del condensador que usted observa en el paso '/ del procedimiento6 8e9n sus cálculos& .cuáles deber"an ser esos valores6 S"&H! #$ ,"%/%-!"$ (-,$ "! "# /%+/'%(- #-$ #-+"$ ,?)%,- 6 ,!%,- " # %!("!$% $-!@ I,)W")* K 7.2 ,A I,%!W")* K 0.2 ,A J"+- ("+%/,"!(" :(+!- " # ,%$, ,!"+ "! ='" $" ",'"$(+ #$ -+,'#$ $ "! "# '!,"!(- ("+%/-< -("!",-$ "# #-+ " # %!("!$% " /-++%"!(" "! '! "("+,%!- (%",*-@ -( R 1 +R 2 ) t 1 R2
dq - ε CR I( t) = = e dt R1
D-!" "# $%&!- !"&(%- %!%/ ='" # /-++%"!(" /%+/'# "! $"!(%- /-!(++%- # " # /+& "# /-!"!$-+. L'"&- -("!",-$ #-$ #-+"$ ,?)%,- 6 ,!%,/'!- ( K 0 6 ( X "!(-!/"$@ I,)W("- K
ε R 1 K 10 ,A
I,%!W("- K
ε ( 0 ) K 0 ,A R1
:as rá!icas obtenidas con el osciloscopio son las siuientes;
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
CONCLUSIONES L &+?%/ " # -! /'+ !-$ *"+,%(" -$"++ /,- $" /-,*-+( # /-++%"!(" ='" /%+/'# *-+ "# /%+/'%(- $%,%$,- # /+& ")%$("!(" "! "# /-!"!$-+. S" *'"" /-,*+-+ ='" "$ '! *-/- %%/'#(-$- "$/+&+ 6 /+&+ '! /-!"!$-+ "! "$(" (%*- " /%+/'%(-$ %$"-$ "! "# #-+(-+%-. L$ &+?%/$ -("!%$ "! # *!(## "# -$/%#-$/-*%- $" *+-)%,! #$ &+?%/$ " # *+(" ("+%/ /-! +"$*"/(- # /+& "# /-!"!$-+ "! '!/%! "# (%",*- 6 # /-++%"!(" ='" *$ *-+ "$(" /%+/'%(- "! '!/%! "# (%",*-. S" #-&+ &"!"++ # '!/%! "/' *+ "# "$++-##- "# ")*"+%,"!(- ",?$ *'%,-$ -$"++ &+/%$ # -$/%#-$/-*%- "# /,%- " # %!("!$% +"$*"/(- # (%",*- 6 " # /+& +"$*"/(- # (%",*-. L /+& "# /*/%(-+ "$ ,?$ +?*% ='" # "$/+&. L +%" " /*/%(-+"$ 6 " +"$%$(-+"$ /-! #-$ ='" $" (++-! !-$ '"+-! " &+! 6' *+ /-,*+-+ ='" #- *+-*'"$(- "! # ("-+ $" /',*# "! # *+?/(%/. E$ "/%+ "# /-,*-+(,%"!(- "# /*/%(-+ '+!(" # /+& 6 # "$/+& "! '! /%+/'%(- RC "$ "# ,%$,- ='" *+"%/" "# '!,"!(- ("+%/-. J+ /-,*+-+ #- !("+%-+ $" ('- ='" +"#%>+ '! /%"+( /!(% " ,"%/%-!"$ #$ /'#"$ '"+-! # $" *+ ##"&+ "$($ /-!/#'$%-!"$. S%! ",+&- "# ,# "$(- " #&'!-$ "='%*-$ *'- $"+ *"+'%/%# *+ # /-++"/( /'#,%!/%! " "$(" #-+(-+%- 6 *-+ "!" "# %!-+," *-+ #- ='" "$*"+,-$ ='" "$(- !- $" +"*%( " !'"- *+ !%!&'!- ='" ='%"+ /-,!-$-(+-$ ")*"+%,"!(+ 6 /-!-/"+ #-$ /-!/"*(-$ 6 *#%//%-!"$ " # $%/ "! "$*"/%# " # "#"/(+%/% 6 "# ,&!"(%$,- +,$ (! %,*-+(!("$ *+ #-$ %!&"!%"+-$ ='" *+-!(- $"+",-$.
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UNI-FIM
INFORME DE LABORATORIO – FISICA III
OBSERVACIONES R"%$+ ='" #-$ %!$(+',"!(-$ 6 ,("+%#"$ *+"$(-$ *+ # +"#%>/%! " "$(" #-+(-+%- "$(! "! '"!$ /-!%/%-!"$ 6 ='" " #- /-!(++%- "$(- *"+'%/+ "! "# ,-,"!(- " # -("!/%! " +"$'#(-$ # -+ " # ,"%/%!. S"&'%+ " ,!"+ +%&'+-$ #-$ *$-$ %!%/-$ "! # &' *+ ='" " "$(" ,-#-$ /%+/'%(-$ ='" $" +,"! $"! #-$ "/'-$ 6 "%(+ *+%$ " (%",*+,!- %"+"!("$ /%+/'%(-$ %!"/'-$ *+ # -/$%!. T"!"+ /'%- # -+ " ,!%*'#+ #-$ /-,*-!"!("$ "# /%+/'%(- "! "$*"/%# /-! # / ='" /-!(%"!" #$ +"$%$("!/%$ 6 #-$ /*/%(-+"$ 6 ='" "$*'$ " # /-!")%! *'"" ='" $" ,!("!&! /#%"!("$ '+!(" '! (%",*-. D"",-$ "$(+ *"!%"!("$ " '! '"! /-!")%! +"$%$("!/%/-!"!$-+ "! # / " +"$%$("!/%$ 6 /-!"!$-+"$ 6 "+%%/+ '! *+-)%,- " /%!//-,%!/%-!"$ " "##-$ *+ ='" !-$ ++-" '! ,"-+ +"$'#(- " # ")*"+%"!/%. A# ,"%+ #-$ #-+"$ " #$ +"$%$("!/%$ 6 /-!"!$-+"$ /-! "# ,'#(,"(+- "",-$ ("!"+ *+"$"!(" ='" *'""! ")%$(%+ #-+"$ ")(+-$ ++--$ *-+ %/%!$(+',"!(- *-+ # +%/%! "! #$ '!%"$ #-$ /'#"$ !-$ *'""! /-!'!%+. J-+ "##- "",-$ $"+ /-! =' '!%"$ "$(,-$ (+!- 6 "+%%/+ /-,- ,!%,"! -$ '!%"$ %"+"!("$ *+ ("!"+ '! #-+ %!%/- 6 $" " # +"$%$("!/% "! -,%-$ - "# /-!"!$-+ "! +%-$.
BIBLIOGRAFÍA 1. S"+Z",!$[ @ FISICA GENERAL /'+( "%/%! $")( +"%,*+"$%! 6 A&'%#+S.A. " "%/%-!"$ M+% 193 J?&$. 489497 2. A$,( ',"+(-@ FISICA GENERAL III T"-+ 6 J+-#",$. 3+. E%/%! L%, "%(-+%# ->/- 1992 *?&%!$@ 282 283 284 289 290 291292. 3. FACULTAD DE CIENCIAS DE LA UNI;ERSIDAD NACIONAL DE INGENIERIA. M!'# " L-+(-+%- " F$%/ G"!"+#. 2. E%/%!. L%, FC UNI 2004 *?&%!$@ 138 139 140 141 142143.
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