betioesn

a tepuluion
) The eleeteoilatic tocte egual
tuwo poLitively thaxqed LO Aaxying
axges 31X 1Oo N, when they axe Aepoealad
Aepeorated

eluhons oxe
bya dilance ol 5À Houo maiy
each Úon
mLLIA om
sulb
pith-hall A 8a oxie a paitiue
)A uee
C. what muu he nabuve and
the
tharge o 5XID
hat huld he guen to a
hagrituds o taxge N
belouw he omek
6 ued 6tm
Aetond pLBh halt Atatinay
Latinax4
aall As tAaf h e uppes
hal

mau m and toryin9 Aaxge -

C13 A parlicle al a Asrulak
a Ahaxge t2 along
muLng oxound
imun
palth oxadius
Prove Aa he peiod o
tlaxge-abo t9, u qiuen by
Oteroluban a
T Re m34
Aaswe
Qnd
|au) Tuoo paxicle eDch hauinga mau o
OX Lo'C, Atay in intting equiltbsiun
cazge tablwith a dipeahon l o
lo m
on hovipontal behoan
ethoean hem The toehiiead alpestion
u ame tind
eoch paxticdla and he tabl

1
 A
06& Too ulated chaxged tsppez pherer
Q
ard8 haue baix teatrel Aepexeted by
ly
So wkad u the muulial tce al
diknce o um

on eoch u
derbbis xepulion he ckaxge
A end are nglgible
6-5Xto c9The tadii o
uo
Aeperahoo
the dlitance
Bonpared to otauitational
Lomparei sece with their muutuad
atbaion

epuluion
(6ukas i he oe doublohe abou
4phere is chaxged
G) ench
dudnes botuouo vham halbed.
u
amount nd h e

Qee placed in oatn

)The ooApheres
Dielecbeio tOMad Ltex 8o

harged tdentical end

0s Tco iniloly eqally
metal iphexes A tepel each ovher with
and
a
oce b dox toN A Ard identical undajged
Aphexe i toushed to A, hen placed af the
and B alelat he net
midpoiut betoeen A
dexntatis pce on G

ndte axe e d a
01)Tuoo peoius chaxge +e tird point
disanu 'a aparà. uAxe Ahould a
he
plated on the ne joit ounnq
choxge qbe
he tquiibuum 9Jn
chaxqel 80 thai may
tuoo
and u whuch
u i cae he cquilübuum uuw be atable
unatable
aToo ldeaticad thaxger , &tach, axe tee
distanet om each oher A JAixd chaxge
oo
placed bn he line bning Nhe aboue
y
chakgel Aueh that all he Vhree khaxoqet ate
and
giltbei um lthal ù he hagnituda Lton ,

poaition o he tAarge 9

a9)lLooet pont chargeu placed at

+ Me and te are
dilante 'a' apaxt koxe Lhauld a thied paut
pant
chaxe be ralaced bekoecn them uth hat he
in equilbxiun Aat hould
tnire ustem maj be
be he hagnuitude and Aian al ? ihat type ola
eaiubiun wu b e 9

a i to be diuided en tuoo obrecds

alo) A chaxae on h e
Yaluei o the datgu
whod Aould b e h e
4he objecs
ko tha he c e hekoeen
kuoo bhlets

(on be maxinum?
Apheres , haQuing ahaxge oPoste
Prosite
tdentical
0Lu)Tvo o 0163 N
attract ach oher with aotce
Algn ate
uhen epexated by The 4phetes
0m
then
Connected ba konductiv tre, Iich ol4
heteallet Mey Tepel earh othex
emoved, and
a orce o0-036N What Wexe he initioD
ckaxae n he Apheres 9
 valucs
point kages ohau
ouTuoo dictancd 2
@nd eLpohve
epeahived,
at
asce elaced
asee yaluc 4g.
chaae ralue
hage otkage
khivd
eom a
balgrA in
AUme dbatqh
Aamehe
oltcharges huhg
and ratuxs aharge.
alelats h e magniluda
h a t h e net t e pejenced hy
luwh
,
tkage 2 D9

ma
m nd
mend
Amall pkores eaeh haiuing
as)Tuoo uupendedom poid
bulonb axe
axae q
kaxge
tmeadi
eoch mehrelong hub a
byiulaling
0 he angle, earh thread
neaigibla mau i has bein
has
when equitbd un
a vedi a)
makes with
attained,h o o h a t

Lin0 ton ) 4 nep

-(Ymg

hauung a poíue Ahargt

Lmal kheau Aphee.
Ou) A toub anphex Aphexe
made to
o Xt6"C a
Negalie chaxge
negative chaxoe
Aame xodiw haung
ohe bekoean hen
hen

loC tind he torte

Bok distanu ooUn
seperated"by a
Ahen hoy ase tuhen
hem then
bitdeen then
wwhat wd be h e fore
dielecori
oxe immered tnan 6l
hey
Couant 39
 ) Tuoo oind chaxae 5x16C and q,3xlo
Xe lotaled al poui tins Im,3m/2 m) and
im) Tind h e teres F d
C3m,m, eayoeeivel
uuhg vector koem al Cowonb's loLo
lauo

A and , each
Q16) Tuoo identical metale Aphoue
epel each othox nith a e
Caouyng ckaxae
Caxyiaa
metallie iphexe C ohe Aame iz
T.Ahind
AKceriuoly
madeto ouch h e
Bu wnchaxged, is what is
and nen emoued ausaH
and ,
Aphee A A and 9
bekoean
heoe xeulon
a
and axe Kept at
a11) Tuoo psint karge +9e
te
thsuld we
othex whexe
distano auom each he
o n the
Dihe jouing
place Q shind cAaxge bun
be tn quii
so thof may
uoo tAarqes

deeue khaxoes o ralues and

29
Q18 Too poit each olher
dicance d apatom
axeept át a
along he
A hird charge t o to be Kept
h a
net oece
Ame s th uh a uoay hathe pesion
akulalt the
acting bn and 24 goo
and d
harge 6 th Tuem ne jouni
the Cene o the
A charqe q
placed at
ú three
Q1 hoto thaf Ae 4sim o
Loo equal chars
n equiübxun = 94
tAorqa ' s i l be
 oeig hinq
pith-ball enrh
Bog Qxe
do Loo meal oo5
mead
duupended homhe Aame pourt
he hau
Ak hYead o5 m long On chaging
carh othey to a
to epel
equQlly, hyaxeound
equally on eoch
alculat sthe harge
dulance o0-2 m

axges each equa

to
o
unbe
021) An iJinite atelm K 2m,
uaxls at =lm,h
along
uC 0 e placed t h e t o t a s toce
Ao o n T i n d
Qnd
m , - 8m at he oign
he ouqu 9
alaced
olc placed
a
ahaxge
On

4 2 3 a c h Equal
o
Conaldex tAret ckaxga o
Q12) lateral rdangu
vertices a d e g u i he
af he oh a chaxge a (wNh
k a l tu he oe s h
she e iaqe
og
Atde. he Cenbod
Cenbod
a
placed
Aame ign as q
the
ach axe Kept a
pant kaxge
t
03Thvee buangla e d 1':
an qulataral
Yexiice
and Agn ohhe
e
magRtude
AJgn
datvming he Johat e
be tep at itu coahoid
Chaxgeto
equitbyum
Xemain
Chargesahe
vertices
4he
ath e
nd -4 placed
04)Conuidu, he chaxged q uangle, as Aoon un
vexties o Qn equilateral
on each hoxqe
8 -27. what i'he toce
 (033) haxguo+6uC, + lo,JuC @nd -
to uC ake
C
placed in aie at he cney A, B and o
Mde
9eilateral eiangle ABC, hauuing each
equal do ScmDdeenina he eLultontorce
on he Aaxge at A
A.

psit Aaxge eoceh 16 C axe Alaced

CO6tou qual
d o o2 me
Onhe tsnex1 o a Aguaxe o
Caleulato he foue on any one o he chaxgeg

arge +2 nC-3uC and -3uC

0) hree pout
oxe ept at he Ntices A, n d C xepechivaly
as
o ide 20 cm

Poan egudlalera0 iangle the tgn and

whab Ahould be
Aoon 9 30(a) at thee
to.be placed
haosudo h e ckoxge af
aA A
thas the chaxge
BC
Thdpain (M) o Aide
so

emain equiibruum9
Aa2uC
+2uyA F

vili
66-34C

-3uC
(a)
 038) Ten poaitivelu tkaxged paxticles Oe kephKd s

on he -auis at poids - lom dbms36 n.

lboCmThe s t paxicle
haia tkaege IoX t6G,
8x16C, tRukd 1Xt6'C, and
4o oDn
he Aecond
he
1ooo x lo °C
he tenth parb de hai Q Aage
d h e magnitde ohe
elecicoce oing
laced afhe ongin
On alC aharae

mC, 3 =O:2 mC
5
nd -6Sm
Ckoxgea 9 repeiuely
B ond
a t h e povies A,
axe placed
are and T, o-6m
-6m
nEl-2m iand T:
QL AAuon i tt+8.
eustas
oreultans rce on
on
taleulata he maqniiude
(o)
F

4C útecacs
chaxgel o2 eoch
o o equal poitive
,
wtuatd
Rhotge 3uC
IAith ahixd posiio magritudo end diyechan
direchan

aA dhon a 32.tind he hage 3 u3u C.

o t h e o e enpexienced
by he
A2uC
3C
um
03) Houe tkages + t -Qxeated erporhi
and

a t h e fowr e n e e A,ACand D a a Lguae

ide a. Caeulake he utce on a Ahasge.
Aqae
plaeed at he conre