Question

in the shown situation the potential difference across the cell of smaller EMF is

Answer 1

First find the current:

I=10-2/1+2+1

I=8/4

I=2A (where I → Current)

Now apply Kirchhoff's Loop Rule between point 'a' and 'b':

Va-2-(2×1)=Vb

Va-Vb=2+2

Va-Vb=4V

Good Luck!

Answer 2

Explanation:

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