dimagi paheli - 48 Find one difference | Paheiyan | Riddle in hindi #shorts

(a) Find potential difference between A and B and C . (b) Find potential difference across capacitor C . (i) Find ratio of energy stored in capacitors, C_(1) and (C_2) (ii) If battery of emf of 2E is short -circuited, find charge flown in battery of emf 4E .

Three of the following four options are similar in a certain way and one is different. Find the one that is different

Three of the following four word-pairs are alike in a certain way and one is different. Find the odd one out.