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An RC Circuit Consists of a Resistor with Resistance 1 Ω\varOmega

Question 52

Multiple Choice

An RC circuit consists of a resistor with resistance 1.0 k Ω\varOmega , a 120-V battery, and two capacitors, C1 and C2, with capacitances of 20.0 µF and 60.0 µF, respectively. Initially, the capacitors are uncharged; and the switch is closed at t = 0 s.
-What is the time constant of the circuit?


A) 1.0 × 10-2 s
B) 2.0 × 10-2 s
C) 6.0 × 10-2 s
D) 8.0 × 10-2 s
E) 3.0 × 10-1 s

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