In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:
Column-I | Column-II | ||
---|---|---|---|
(i) | First month | (a) | Separation of eye lids |
(ii) | Second month | (b) | Hairs on head |
(iii) | Fifth month | (c) | Heart |
(iv) | Six month | (d) | Limbs & digits |
AB is a part of an electrical circuit (see figure). The potential difference \(V_A - V_B\), at the instant when current \(i = 2\) A and is increasing at a rate of 1 amp/second is: