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1. |
When is a capacitor fully charged? |
A. | when the voltage across its plates is of the voltage from ground to one of its plates |
B. | when the current through the capacitor is the same as when the capacitor is discharged |
C. | when the voltage across the plates is 0.707 of the input voltage |
D. | when the current through the capacitor is directly proportional to the area of the plates |
Answer» C. when the voltage across the plates is 0.707 of the input voltage | |