Physics, asked by abhisheku1507, 11 months ago

Two cells a and b each of emf 20 are connected in series to an external

Answers

Answered by mohammadkaifaakib

2

Given - R1=20 emf and R2=20 emf

Since , connection is in series

So, R =R1+R2

R=20+20

R=40

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