LIST I (Microbe) | LIST II (Natural habitat) | ||
A. | Streptomyces | I. | Aquatic habitat |
B. | Influenza virus | II. | Terrestrial Environment |
C. | Spirulina | III. | Sewage treatment |
D. | Giardia | IV. | Airborne pathogen |
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: