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  4. In the circuit shown in the figure below the cells E1 and E2 have e.m.f. 4 V and 8 V and internal resistance 0.5 Ω and 1.0 Ω respectively. Then the potential difference across the cell E1 and E2 will be- <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-ikfn5otee52qwn3d.jpg /> ​​​​​​​

Q. In the circuit shown in the figure below the cells and have e.m.f. and and internal resistance and respectively. Then the potential difference across the cell and will be-
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Solution:

Equivalent resistance of circuit is :

So,

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