The potential difference of a battery is 2.2V when it is connected across a resistance of 5 ohm, if suddenly the potential difference falls to 1.8V its internal resistance will be

Question : The potential difference of a battery is 2.2V when it is connected across a resistance of 5 ohm, if suddenly the potential difference falls to 1.8V its internal resistance will be

(A). 1 ohm

(B). 1.1 ohm

(C). 2 ohm

(D). 2.1 ohm