Two batteries with e.m.f $12\ V$ and $13\ V$ are connected in parallel across a load resistor of $10\,\Omega$. The internal resistances of the two batteries are $1\,\Omega$ and $2\,\Omega$ respectively. The voltage across the load lies between
- A$11.5\ V$ and $11.6\ V$
- B$11.4\ V$ and $11.5\ V$
- C$11.7\ V$ and $11.8\ V$
- D$11.6\ V$ and $11.7\ V$
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