At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
(v-12)/68 + v/37 + (v-4)/90 = 0 samja ye?
then, voltage drop across R1 will be v-12
i dont know norton :(
is the answer -7.82?
|dw:1446283622372:dw| total current passing through any node of the circuit is always = 0 so i1+ i2 + i3 = 0 got this? this is basics
kirchoff's current law i guess
|dw:1446283817708:dw| now i2 is easiest, ohm's law, (v-0) = i2 * R2 i2 = v/68 got this?
voltage drop across R2 is just = v which we indeed got as 4.18
(v-12)/68 + v/37 + (v-4)/90 = 0 v =4.18
from ohms law only, i1 = (v1 - 12)/R1 i3 = (v1 -4)/ R3
and then kirchoff's current law gives, i1 +i2 +i3 = 0 thats how i got (v-12)/68 + v/37 + (v-4)/90 = 0 which is correct given v =4.18 is correct option for voltage across R2
thats a basic thevenin problem...where are you stuck... first you can combine 100 and 68 Rs in series to give 168 ohms
yup as they are in series
Rth is 168
oh pellet i did not see the question properly
what about this
yep yay suniye 4th ka Rth i gt as 70 ohm
4th is which one ?
upar wala karo pleosa
superposition waala? since choices are given, you're free to choose any method right? or do you want to learn superposition and do it in that way only?
i am asking because norton is way easy (v-12)/120 + (v-6)/120 +v/120 = 0 you get v = 6 and then i = v/120
konsa bhi karo im doing with which im comfrtable
same thing, i1 + i2 + i3 = 0 here i1= (v-12)/120 i2 = v/120 i3 = (v-6)/120 got these?
but samja kya?
norton is my favourite theorem i always used norton in MCQs for gate exam prep
Rn 154 ?
yup :) short the voltage source 68||68 = 34 120+34 = 154
and i meant to say "Nodal analysis", not norton :P
lol upar waale ka kya aa raha hai?
V across R2 nikaalna hai bas then I_N = V across R2 / RN i got 245mA
V_N = V across R2 = 75/2 I_N = V_N /R_N
superposition +12 -10
superposition theorem ka statement samja hai ?
10 is taken as negative because it is in opposite direction
ye false hai na
false because its the equivalent short-circuit current between the points
open-circuit se current jaayega hi kaise lol