A 1 000-V Battery,a 3 000-Ω Resistor and a 0

question 22

Multiple Choice

A 1 000-V battery,a 3 000-Ω resistor and a 0.50-µF capacitor are connected in series with a switch.The time constant for such a circuit,designated by the Greek letter,τ,is defined as the time required to charge the capacitor to 63% of its capacity after the switch is closed.What is the value of τ for this circuit?

• A)6.0 × 10⁹ s
• B)1.7 × 10−¹⁰ s
• C)1.7 × 10−⁷ s
• D)1.5 × 10−³ s

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