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question mark

If n cells each of e.m.f ‘E’are connected in parallel,the e.m.f of the combination is
a)E/n b)nE c)n2/E d)E

Anusha , 10 Years ago
Grade 12
anser 3 Answers
Siddharth Singh

Last Activity: 10 Years ago

Do you know the answer ? Cause I am not quite sure. 

S Ashish

Last Activity: 10 Years ago

In parallel combination of batteries, the resultant emf remains the same. Answer d)E

Siddharth Singh

Last Activity: 10 Years ago

Since
Eeq/Req=(E1/R1)+(E2/R2)......
So,
To find Eeq we first find req
i.e 
1/Req=1/R1+1/R2+....
common 1/R we have Req=R/n
Putting in formula. 
Eeq=(En/R)*R/n
We get E 

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