Afghan Farmers: Opium Is The Only Way To Make A Living. Afghan Farmers: Opium Is The Only Way To Make A Living. An Afghan farmer collects raw opium as he works in a poppy field in Nangarhar province on April 29. Poppy cultivation reached a record high this year despite Western efforts to reduce it. An Afghan farmer collects raw opium as he works in a poppy field in Nangarhar province on April 29.
Best Answer: 1. voltage on a cap, charging v = vâ[1âe^(ât/Ï)] vâ is the final voltage 2. voltage on a cap, discharging v = vâe^(ât/Ï) vâ is the initial voltage on the cap R is resistance in ohms, C is capacitance in farads t is time in seconds RC = Ï = time constant v = vâe^(ât/Ï) v/vâ = e^(âÏ/Ï) = 1/e = 0.368.
Two conductors have net charges of Â±10 ÂµC and a potential difference of 10 V exists across the conductors. What are the capacitance of the system the potential difference that would be measured across the conductors if the charge on the conductors is increased to Â±100 ÂµC? Solution â The capacitance is given through the relation F F V C V q C 1 10 1Âµ 10 10 10 6 6 = Ã = Ã = = â â. Since the capacitance is a property of the arrangement of conductors it is a constant. Thus, if the charge is increased on the conductors, the new potential difference that would be measured is V F C C q q CV V new new new new 1 10 100 100 10 6 6 = Ã Ã = â = = â â