Q#2 A certain \"brand-new\" (never-used) 9.0 volt cell contain40mC of charge. Th

Question

Q#2 A certain "brand-new" (never-used) 9.0 volt cell contain40mC of charge. The electric energy "stored" in the cell amounts toabout (        ) joules (a)0 (b)0.06 (c)37.5 (d)0.36 (e)60*10-4                                                                            Q#2 A certain "brand-new" (never-used) 9.0 volt cell contain40mC of charge. The electric energy "stored" in the cell amounts toabout (        ) joules (a)0 (b)0.06 (c)37.5 (d)0.36 (e)60*10-4                                                                           

Explanation / Answer

Electric energy stored = QV                                  = charge * voltage                                 = 9 x 40 x 10-3                                 = 0.36 J

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