A Battery Has an Emf of 9 V and an Internal

Multiple Choice

A battery has an emf of 9 V and an internal resistance of 2 $\Omega$ .If the potential difference across its terminals is greater than 9 V:

A) it must be connected across a large external resistance
B) it must be connected across a small external resistance
C) the current must be out of the positive terminal
D) the current must be out of the negative terminal
E) the current must be zero