1. In the figure below, a circuit with one capacitor and one resistor is measure
ID: 2089943 • Letter: 1
Question
1. In the figure below, a circuit with one capacitor and one resistor is measured to have a time constant of T. That is, when the capacitor is discharged through the resistor, the charge drops to 1/e of its original value in a time of T. When the capacitor is replaced with 3 identical capacitors in parallel and the resistor is replaced with 2 identical resistors in parallel, what is the new time constant of the circuit? (Explain your answer clearly!)
a) T b) 1.5 T c) 3 T d) 5 T
2. In the figure below, the simple circuit consisting of a resistor R, and a capacitor C is charged to a potential V0, with the switch that is initially open but then thrown closed. Immediately after the switch is thrown closed, the current in the circuit is (Explain your answer clearly!)
a. V0/R b. Zero c. Need more information
Explanation / Answer
1.1.5T b)zero
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