Column I | Column II | ||
a. | Eutrophication | i. | UV-B radiation |
b. | Sanitary landfill | ii. | Deforestation |
c. | Snow blindness | iii. | Nutrient enrichment |
d. | Jhum cultivation | iv. | Waste disposal |
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: