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ppk ppk
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Posts: 3561
12 years ago
An RC circuit is connected across a DC voltage source through an open switch. The switch is closed at t = 0 s. Which of the following is a correct statement regarding this circuit?
A) The charge on the capacitor after four time constants is about 98% of the maximum value.
B) The charge on the capacitor after one time constant is about 25% of its maximum value.
C) The charge on the capacitor after one time constant is about 50% of its maximum value.
D) The voltage on the capacitor after two time constants is about 14% of the maximum value.
E) The voltage on this capacitor after two time constants is about 100% of its maximum value.
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bio_manbio_man
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12 years ago
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