Physics Experiment 2&3 of class 12th.pdf

Experiment of class 12th

1. Enbesiment = 9

| ind the _siesiAfance OL
Given 'wre 0% Sand oid veñiitor
Using Y metre bridge R

Abbasdus Requiral t= A meter knidge, battery
elfminator, one Coot Key ,
jockey, Weston # Qafvanoneler, "resfáfonte box,
Satin Cot] ció wire, ond haben,
crew Junge etc.
Theory Bosically working 0} metre baidlge #4
based on the Pendfble of wheal sfene
bridge. As he metre bridge hos Uniform Cross -

AecKtoralo%ea ond uniform material density y st
rehiftonce is Æroborfona) Jo its length and

Rititante of BR = RIC
RekAfonce of Bc @ Ki-f) _loo=f
where, Kk seitätonee Bet und Jen

fs Seistonce op AB and Ec _corsneghonds to
ond ©. So, a when no Cusgert sa Engel

Scmugh the galvono meten hen he _bnidge 24 shai

3. Jo be halonæd ond
usheatatone. bridge

ESE
© x

Hence, by Knowing | and R—unkncon self
X Con be Coltuloled»

Obsetı vation Tohle is

IS«No.l ReAtätonce Saken a Bolorcing Length {unkown 1
on "sestátonce bat R (0) RE = Patan
east AB Eon en EN
aS
4, Zu 34 66 3,99
2: an si [149 Remote
3, Sur 56 44 NICH
14. n 65 [as | 3.36

5. Io.

Mean _Unkneum RetiAfonce X= Kit ad
7 3004 389 + 9.92 + 356
4
3.85 A

Result = The Value of cnknoum vetigfance
o) given are de BEN

(1) AU he Connections Should

Precout'ons 5=
he clean and #oht.
(80) Null Points should be brought _ketüeen 410 Cm
do Go Cm.

WI) The jockey Should be moved gently over the
knidge Jo that st cloes not sub the tre fo
Ovoid “additional. heating.

-Souces op Error 2

(1) The we ome mf of Uniform Hatem.

61) AU Bugs M de "wertátance ex m nat be tight.

U) _Henging of cofres due to Confinums flan of Cuient.

(lv) Develo Of Contact ebétance_dlue-o-imPntey
Connection’ 4

6. Ú

—Enperafcent 3

Am To veut Y the daros Of Combination
i (Series) of eMtatonte using 0 metes
ssidge

„Akon Required À meder bridge, habia
elrinator , teten #ybe
Qahonomelor, ene eng key, O elistance box
Jockey » Sao _sretietonce Coilk, connecting cates
Gnd “bond Pater. /

Theoxy = (hen duo Setittanre Ri_ond Ro ase
Commected Jn lentes Sen the offerte.
(equivalent) suutétance SA given by
R = Rit Ry
Observation Table =

Reststonce[Sab. | Roma] (cr)
(unknown). ¡MES

Coos) of Re afte icon

Refine
1,12 34 | 66 8.88

Ry 9,| 4 si | 4 [3,8 | 3.80
SN 5 AS 3.92
er 65 85 RAG

8. Rel Sa 95 | 35 [12.00] 190%
RıtRol 3, | 5 |os | a) [10.24

4 con [39 162 TEST!
5 lo lag | 59 [mas

feine cel) bdr ali] Caldulatal value] Difference
R 19.03 128 N OFS

Poreroudiona = U) AM the Comentions Should be
Clean and Sight.

tt) Null Points shatd be brought between

4ocm and 6oCm: a
7

(tit) the ee Should be moved Gently avd the
bridge do Hol dog nt sub fhe mire

do —Quoid addition) heating.

9. _Sounres 2)

(0) he otras moy net fove uniform hitknt.
AU bugs _ sn ke muäfane box may net
be light. x
8) heating of uke may takes place due to
of Kussıent

Continilout “flow
(iv)__Develebment of Contact séitfanre due

do —imbmben *Comectink.

10. Experiment = 4.
57 STO. enfe She lows of Combinakionz
(Posiallel) “Yop Staftchanges “liking O meter

Ta
Albranatua Required 37 A meten bridge. battery
eliminotor, weiten dybe

dvonometesi y One «os Fey, a steststance bona
Jockey, {wo rsesictance Gill, Connecting wie
and dond habe.

bride,

Theory: when two srelictances R and Ro ase
Connected sn Porollel Shen the
equivalent suedistance will be

Al ar le
Re Rı R
AN hoe
Re & Ro,
Sos Ro = A E =
RAR)

12. Dbscuvation Table *-

Restafonce | So] RY | Nn) | (1000 co [X= Rteo=4]Meon |
| Cunoco) i E 2 À Tessin
UE | penile eral ee a
Rı VIE SI 99 3-20 RATE
3.52.5000 3.92
4. | + 65 35 246
Please eae
Faure sos luc. tn
3] 5 |go | 6o 3.50
Ger Ie 99 | 51 4.28
pie Was SR PRIZE Be]
+ | Go | 4 la
5 166 | 39 2.57

Vers,

Gil

Reststance | Exterémental] Calculated

_ | Vawe(n) | value)

ir

13. A
6

Precautions 5) AU the Comectons Would
he clean ond Light.

(5) Null points Should be bonugkt between $0 Cm
and 60 Cm, 5

(M) _ The jockey Should be moved Gerthy overt the,
Inidge do thot $4 coed net sul she wise to

auoid — additional heating,

-Souices oy Exrox :-

(i) The usire moy not hove Unigorio Ihlcknek,

(61) AM Plugs sn dhe weXiMtance bow nat
Ey vy

tv) ce moy foke Place due do
a plow of Gent

UND Dewelobment 0} Confort weiiktonee due do
Seubsopelı _Connec4ond, =