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A circuit is comprised of eight identica...

A circuit is comprised of eight identical batteries and a resistor `R=0.8Omega`. Each battery has an emf of `1.0V` and internal resistance of `0.2Omega`. The voltage difference across any of the battery is

A

`0.5 V`

B

`1.0 V`

C

`0V`

D

`2V`

Text Solution

Verified by Experts

The correct Answer is:
C

In loop `(1)`
`4-0.8I-0.8(I-I_(1))=0`
`2I-I_(1)=5…(1)`
In loop `(2)`
`4-0.8I_(1)+0.8(I-I_(1))=0`
`-I+2I_(1)=5…(2)`
From `(1)` and `(2)` `I_(1)=I=5` Amp
Voltage drop across any battery
`V=E-Ir=1-5xx0.2=0V`
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