7/26/2019 Engineering sciences TEST

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TEST IIIENGINEERING SCIENCES II (SSD 12103)

By john jabaraj

Name: Class :

1. a} Explain the concept of electric flux.

b} Find the charge value contained in each object below. 2mi)= 9.2C/m ii) = 5.5C/m3

11m

c} he test paperthat you are holdin! now i" rectangular-"haped. #""ume that it contain" a valueof +0.0 ! "0-#C o$ charge. i) $"e a ruler to find the papers% area% # & length'm) !width'm). {(m}

ii) alculate the charge &'str'(ut'onin the paper.

iii) *etermine the paper"+ electr'c $'el& strengthatP. P 1111m

d} Cik Piringi" a bi!,headed !irl. he c-" area of her head i" 0.55m2. he i" placed in variou"

"ituation" a" below. For each "ituation/

i) E& 110- ii) E& 10- iii) E & (3 =

= = 4.4Nm2/C = 7.7Nm2/C

Find the electr'c $lu!) *. Find the angle) . Find the electr'c $'el&) . e} he wor4 done to move a +"9C chargefrom point # to point B% 's ,0. *etermine the oltage

value between the point". # B

2. a} tate true or $alsefor the"e "tatement" on the capacitance.

i) he Capacitancedepend" on the amount of chargein the plate". true / $alse ii) he gapbetween the plate" i" a factor of Capacitance. true / $alse

b} #ccordin! to thi" electr'c c'rcu't% calculate the/ 5F 3F i) total capac'tance.ii) oltage and chargeat each capacitor.

125

c} # !iant capacitor contain" a fat man who act a" the dielectric. he capacitance of thi" dielectriccapacitor 's 23p1. alculate the plate"+ area if the diameter of the man 's 0.m.

{6fat& 72.1}

d} alculate the total capac'tancefor each circuit. Each capacitor 's 51.i) ii) iii)

5m 3m

7/26/2019 Engineering sciences TEST

2/2

TEST IIIENGINEERING SCIENCES II (SSD 12103)

By john jabaraj

Name: Class :

-:EQUATIONS:-

auss a4 lectr'c 6otent'al nerg7

8 & E # co"

9 E .d# & : - ;o

= : - ;or E =?/ 2 ;o

@ & A E d & A 5

5 & E d

Capac'tance 'electr'c

& : - 5

& ;o# - d

die& 6

Ener!y & 52

C#