A power source of 2 point 0 cap v is attached to the ends of a capacitor. The capacitance is 4 point 0 µF What is the amount of charge stored in this capacitor?

Use the capacitor relationship Q = CV, where Q is charge, C is capacitance, and V is voltage. With C = 4.0 µF and V = 2.0 V, Q = (4.0 µF)(2.0 V) = 8.0 µC. So the stored charge is 8.0 µC, choice C.

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