a | Homo habilis | i | 900 cc |
b | Homo neanderthalensis | ii | 1350 cc |
c | Homo erectus | iii | 650-800 cc |
d | Homo sapiens | iv | 1400 cc |
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: