Question

Questions: 1. What is the voltage across a capacitor after a time of two constants when (a) charging from zero voltage and (b) discharging from a fully charged condition? 2. With $V = V_0e^{-t/RC}$, it mathematically takes an infinite time for a capacitor in an RC circuit to discharge. Practically, how many time constants does it take for a capacitor to discharge to less than 1% of its initial voltage? 3. A 2.0 µF capacitor in a circuit in series with a resistance of 1.0 MW is charged with a 6.0 V battery. How long would it take to charge the capacitor to three-fourths of its maximum charge?

          Questions:
1. What is the voltage across a capacitor after a time of two constants when (a) charging
from zero voltage and (b) discharging from a fully charged condition?
2. With $V = V_0e^{-t/RC}$, it mathematically takes an infinite time for a capacitor in an RC
circuit to discharge. Practically, how many time constants does it take for a capacitor to
discharge to less than 1% of its initial voltage?
3. A 2.0 µF capacitor in a circuit in series with a resistance of 1.0 MW is charged with a 6.0
V battery. How long would it take to charge the capacitor to three-fourths of its
maximum charge?

Questions:
1. What is the voltage across a capacitor after a time of two constants when (a) charging
from zero voltage and (b) discharging from a fully charged condition?
2. With V = V0e^-t/RC, it mathematically takes an infinite time for a capacitor in an RC
circuit to discharge. Practically, how many time constants does it take for a capacitor to
discharge to less than 1% of its initial voltage?
3. A 2.0 µF capacitor in a circuit in series with a resistance of 1.0 MW is charged with a 6.0
V battery. How long would it take to charge the capacitor to three-fourths of its
maximum charge?

Added by Lindsay E.

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