Question

QUESTIONS
TRY YOURSELF'S
- 47. Find the current through 10.2 pusistance aronne
across AB.​

Answer 1

HI.....

:)

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Cells with internal resistances connected in parallel

E(net)=∑ E/r               (E=emf , r= internal resistance)

(net emf) = 10/2-5/1       (because the cells are connected in reverse)

=0

r(net) =∑1/r

(net int. resistance) = 1/2+1/1       3=/2

but , since net emf is zero... no current flows through 10 ohm resistor....

or there is another way to solve...

just by looking u can see.... the current supplied by the 10V emf through 2ohm resistor is equal and opposite to the current supplied by the 5v through 1 ohm.... so net current through AB =0...

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PS:..... Not everybody is an idiot...

cheers