Activity file class 12.pdf

activiy

1. Date
Topic
Falivilu 1
imlo meaune
ueAistance, votoge
(AC/DC),cuwHet AC-
andhapk continuuts oa
qivenciHeLUt sLng
multfimcte
HppaHctuA ThulLarben sesistouA, eni standasd
HeAStance ceil a britteuy
eliminataH with tap
pLng (2V,HV and 6v),astep-dousn kHanataumIH
60-6V withtu0Jappings (2VcunduV),à MONiStOH
0
00 hm a plug key'and multimoteH
Theoy
Muitimetes. Tt is a single meaxuwing device aeting
Os OL Ammtex, a vokmtex_and an ghmmetey.
ta ki eaMon, it ualso.coulldAv0 motek-
Can measu atenGdingas uwell au diuedt ouwHert
and alteunating as well au diuect vatagem addition
to MesistanoeFas tRis puHpese u fanelAs divided
to -five diexet Aeotions.hene aue many Hanges m
each sedticn o dhat it can meayues miaO CIOS
o mega. (io) unitt. Kotatioh oa. kneb phárges tho
3e0tdn and thu Hange iw ori zection

3. Topic
Date
Kotation o kneb so4 change n ammmte
HAge bings shurt uesistanoes ddierud
Valus ciweult_iapaHalli wih
dtheco
Rotation c kneb foH change in votmtex ang
e
Ding
seies Hesistarees o dieHertt valuuA
CiNwT
n geies_with dha Asil
= Kutakion c kneb ochange n. ahmmetexutange, bi
diexerd teaistancei m cnolit a Beries
with
mlitimdoH Cell
albon HESÍStaus aH fHequanty. ued in eluotical
and elucteonio cieuits ound haid valus vayoveH
A Vey uwide Hango. A celouN A0de ia uAedt0
Lndicate Re valiu ap dio ueustane
2)A aNbsn uenistaRce has fouN_digexent concondtIC
eloLed inge au banda on ikMUtfade.Tho utJHN
DandA a band c detexmingth value c_dhs Hesistae
and dtu dourth. band givey dRa peuhentanec
LCCuHady called delen.ahce.ho Mesistance"c Hon
eistaH, R= (abxI0tT#)
3 To wead tha valua of casbonJueisiane, dRe fallouwirg
BR0Gouat "uitian Vey Cood wfe
123 4 5
B6
sertenue tat hulpau
b 9
2adgnen Sheet

4. Topic Dafe
Th beld faoe. lttex B,8, R,0,M, Cr, BVC
and w, n cubdie Aerdeuce cowepond fo o
celow Black, BxoLon, Red, ovange, yellous gMeen
BluL, Violet, Cuey and white uelpeckively
a and b, whilo fon Y Jhiud c thy _cosnepond to
t e multpliexu 10, 10 Jo,110, 15, 105, 10
LOCLund Io3 Megectively
4) Th following Hable puovide u celeuw code oka
Cakhon uesistoca
Lettex ColouH Figuxe MulHplieu oslowfay ToleHance
u4 bond) (T)
Guold
süve
No colour20/
ab (C)
Black
l0 Bxown
2 Red
3 0
OHOnge
Yellotr
10
OHeen
Bluu
uiolat
8
whHe
Oold
5
B
V
lo
W 10
il

5. Topic
Date
Obzervation
(fau maKUHeMUTt of_Reststavoe
Resisto
JUsed 1
Colouncund.cedeq|uingVolun cHtolexanceValuu by
fHom colouH
LAde (W)
muktmte
(W)
23
330
21 0
99920
OHange
ked braun Sllven 32 XI010/
P2 Red Red Rd God
2:2 X I0 t57
Boun black Goeen Cold
10 X10t5.
b Heaxemunt ovaltage
AcayDeobsvoltage b/ue voHage. Meading biblus
SNO.Hminml, Vo(wonmeapmgby
vats v-Volvolt
mulimeefv
3.92V
5 15V
52V
0 08 V
0 85 V
0 52V
16 V
DC
2 6V
3
220 235V
AC 2
L8V 19 54V 54V
Deatgnea S=

6. Topic
Date
Intenernce
-
Themuanwu valw e bs multmetet match with decoded yalus o Aistau
A AC to D-C votage maxked on vatage soUNces match with voltage raued
by mulimtet
Pecauhonu&
-Instuuwtioru o han dling thu multimte Ahould be gon hreugh A it cvey handy irsuument and likel to got damaged catelnaly ou ignoHardiy uhed.
2) seluct he agpHopuicde paHamuteu cuxHIwt, vetag2 aH PAIStane toD hs mauHed oundset ik en
CLppsuosiate Hange
3)
Hange of dhe pauHamule mLauned i net knon,
Atad wi At maximum fou meauH ing V,Dewei Connect maHL Ahan_maximum 600v
2atgneoStec?

7. Topic
Date
Fdily 2
Atm&To akemble a heusehod CNOuit ompuisung hl
bulbg
» dhRLL Con/o
usitchea, afue
and a poue
OUHCe
AppHatuu: No agpeuHatus iaiMd o asemblg a
LiACLUt
YoU0.TIU3FUD
Matetial 3-ThuL bulbs L6N,J W) eath, fusec0-bh,
main
Muitoh
a pouJeH Aupply ChatteHy
eliminatak,huL
Lon/cAwitches flexible conne&tirg wlHe olth la
Cnd blad plautic coveHing aue wiHO
Thsuy
tleetuicitu
AU olied to lu axdomestie puspoD&e_A 220VAC
and HDH. 1hi
heuwehald ciucuit, allepllunce
aru
Aonnected
u Cpaualll"with maind
IheJLoithl
au
LONNected
n seie with each appliance live toito
5h Awitdhts a
LQuUHLdau otmal
appliawneen Lika
sbulbs,
fnorucentfubb Hans efe 15 A so ckets and
Aoitch gUa OiUd o hany pad
appliancesika
igenacaH
ainCondHioneH,geyzeH hot ploteke
RL'a0pliahce
mut hane thnu wiha
calude
nutol ound
erdh lotal powet
COmuumption P attime
2eatonca Slecd

8. r

9. Topic
Date
pEPtP2 tPg
whunL P P2, Pa QH0 h puoe) drausnby
applian0es
lo pHetect
fhuapplianee om damage
Lwhon undul
igl Cunt ai dHauwnuue o litMe igh
Hating 0 o20/ highuu sthan, dhi cuNw namally
dxauwh by all appliahces foy furshu safety, aAulae
Valul MATNS FUSPiki Hating
aiA s conrnécted
BEHie wLh Jupply oUNOO
2atance Slce

11. Topic
Date
dii-3
hum lo akembe thu Component e0a qiven
eluctulca
AAHCLt
Mtexial 3-An unknown weistance OM AEIStONCO cell
Leil, Connecting twivu, C plece d and pape
Potaeedune
connect sha componends (uenistasus,
inductouuete) in
80ie uwith each. adhu as hnon in diaguam
and tien
m SweS wdh tho battey
2) Connedt hi ammde in 3euien wihHho cinuut do
miaux tho Curtuet
3Connecthavatmoeu m parallud to the uistoo
maura te poterdial dieuncA
Connect h soiteh in BeHie odh de bateuy
5)Assembly o a gliotical, compnents in elucAc
cvwu
Cemplep

12. LED
Capacitas
Diode
IC
Canbon suistan

13. Topic
Date
Fdivih-4
Htm To tdentifu_
a diøde, an LEb, a HUistoH anda
LapocitosH 4ssma mixed colleetien o wh
ttem4
Madesials Aove mixed collection c tem
hioy
A Diode is a tuO-deminal_dewice, Tt cenduk dhun
DHuweud biowed and doea not Cenduuct wkon eeHue
bicued. 1t doea net emit Jight -while conductig
Henoe, it does-netglout
2 ALEDLight emitingdi ode) iuaboa tu0-teuminal
device lso cond&at whunfaswaud biclued and
Cloes net conduet whon ueueHAe biauued t emited
Jght uhile comducting Renee,talouy
3 t Heaistay iu a kuo-teuminal deuice. Hcenduck
Whon ethu fasuad biased and sapense biased.
Cehduet Neh shan apHaded wth. ACVotage
aAtas, i al0-a tuo-deumiral. devic dees
Mat
corLdudt wtan eetou fawd bed ou HweHAe biased
2algnea She

14. Topic Date
Khen a capacta Connected to a bC
SuNcelhun mulmdeu Ahaus full scalL
LuHd
iritially bt ut decay XELO quiokly t JubecaLue
hal nitaly_ a apaoitdn_draus O Ahang
Obzervatisrs
oAo aLgsNamu.odevice nopossible cuWned Nama
ob cbs
device
Capacito, Diode 2Unidinectional biode
LED OMHAisto.k
Two
emitug
3 widiHeelional
emit eht
LED
Bodh diu edtioy Raistoy
CSteady)
4
5 nutially kigh Lapae
bt decau
o zeo
itoH

15. To Topic Date
Adivly 5
hima-10 UINe a. multimutea to i
a4ee sku Anidiuctienal. lous ol.cunrantjncaecdadiade, LE
(bChuek.nh.ethax a given elctunnie component da a
JOking audey
Hppaxatus A mutimde,o diode aund an lEb
and aciAOit
Theauy
a)Adiode ou anLED 0onduets only whon fanuoaHd
biaued and in uevexe biaung, thit MHO lou O
LUHard
bWhen.o. diede ih m uouking andeH it uoillalla
thi Aunert to floG m Ga dituction, hon fauward
biased
Puo cedura
1 Upe tha seluotas sARteh and puf homultimadeli
Ohm Hange (P)
2) naetho mdalli end o tha baudk ad w
emmon Fteminal hu multimdtet and #hatol
Jh Hud n tha deurminal maukid P.
Dasianea Sheee

16. aigor
Black
Pxobes
mullimut9A
6V btteny
lninatay Red
eubnan
leting
aunidiactonal cwwrornt u
diode 9

17. Topic
Date
(a Uniduectional. lour o cuwwent
CaAe o junction_disde
Conneot th tve maxkud ernd o dhu diode to tve
TENMinall_0a 6v vauiade D:C batey adjusted to
minimum' vetage
Seluct th D-CcLNHd adt 10 mA Aange by uaing dhe
FelLetau uitch Jnseut ene He metallë eNd o ehe
eminal PCt)and the bloudk metalic end ito ta
Ttminal maxkod commen
3onnest thL syhoN mtallze end oud prebe to the
HL ehd d tAedisde ond tha motallie end e black
pebe ito -ve teuninad of thu bateu olimindo
and ad tho valw of cuet by vauying tho ud pu
a dh elminato u: Sinde tho diode s fosudaud
biaued
t ollausg h eU-Ont to paA
4) Neur HUeHe stha deumiali af tRe. diode Mudh tRat stRe
end maxked -ve uahighA poterdial eund hu one
mauked tu at low eu pöteful Apei n ohseune the
CHedtmmutimtH on te app opauiode b-CEER
mulliampake SCal No cUNHONdt ading m He multi
moel weuld indi core that te diode allbus tie las a
cuwt w Gne diuchen only i-e e ROTt is
wudiuectioralina disdë.
2atna Secc

18. Topic Date
Neuw uplace be diode by tha LED CUnd peat
th steps o establsh. hot an LEb alo allauA Sttu
loue ste Lwont_only whon it i-auwand
bldsed as well_cs emts light
b Cheaking. ohethay diode, tHoanuistak ia TO i
akig Odeu.
Adiode will conduet oaly in. ohi diueetion ies it
Connet dha ends ef dicde ta tAo tura mebl enndu c
sth pHebes and weeHAe ho Comecetiy points. 1
tConduh n ondae, jhan diode ui in wouking
adeH Tf conduos un bodth case a does not
Londuot n bodh Oue dhon uit is damged
M Dstanea She

19. Keactisn throug a qlad Alab
B

20. Date
Topic
Adivilh 6
Hum To cbbeune_ sueuackion and hteral deviattongf
a
beam Light
aäeident chligualy an aglas
slab
Hppatus -CHlas slab, dssausing boaud athite dsauoi
shLtt drausing pinApercily enaseu puotHacia
mten Aalo,adeave tape
Thsaw8
hhin a Hayo Light(PQ o neident on tho ace A8 alas
Alab, sho Ebend tousaudi xhu nokmal beauae
AeAroLotionsake plaoe uom caHO do denuek madium
h eoactes aul LGR) tHavelling aleng a stuaight
kins and
inwdent en-fa0e Dc slab."berdi auöay
Hm thrnawnal becauë uegHaction takes place Hom
dense do MaNIA Mudium Th Hoy CRS) eudt dhHough
dhi-face M callud tRo enmeudert Hcuy
i) Thi incident sa u paHalul. atb dn emengent ayit LiLe
i) The penpendiculan distance blu dha ineident ay and
emergnt ay Callud Jateal deviation Fay a ginven
anglt aindidence curnd a. poiu midio, tho lateal
devitation L Auopoxtiorol. odtshiokned a dthi qlas Alah

21. /5
Date
Topic
wehawe,d=1see uSin li-)
dat
Puecautionyi
) Thu pin Ahauld be axed veuhically an du duauing boores
2 The ghuu Alah sheuld be_clean and od wnifoum dhioknuw
3Use shap_perucila os making linh
Tk glas Alab should be kapt lungthuwise at de cote cl dxauin
5Meaxunemord ca anqes sheuld dons accunatelu
6JFoH beteH OLCeuAacy, distance blur tha pha should be
bemaumand
while lotating dhu angll c incidenre and
ongle o emexgence
mutbe, enyuxed shot dhe pin Iand ara un
sttaight in Similauly thapin 3and au inityouiott linu
8 While vieuwing h pins, gnu eye houud alup be
kupt claed.
Desionee Slec

22. Topic
Date
Sowces c 6smas
1MeauHemut_ dounglla roay not be
Ocoake
2) Clas slctb mauy nst howe unifosum
thicleu
3 Thi pln. puicles mcuy
net be shaxp
4) Thi pins may net howe
been_ins eded en stho linu
DestorenS