sir,

how to find equivalent resistance in complex circuits??

Dear Shashank

In complex circuits first find the current in the circuit using Kirchoff law then

R_eq = E/I

All the best

AKASH GOYAL
AskiitiansExpert-IITD

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using thevnin's theorem,,u can simplyfy complicated circuits in a simple & understandable form....

in case if circuits are symmetrical in certain manner,,you are free to use kirchoff's laws by distributing the circuit into 2 or more identical forms.........and finally apply rules of addition of individual resistances to calculate eq. resistance....