A series RC circuit consists of a resistor, a capacitor that is initially uncharged, a battery, and a switch that is initially open. The battery has negligible internal resistance and an emf of 20.00 V. When the switch is closed, it takes 10.00 seconds for the capacitor voltage reach 2.00 volts. & C (a) What is the time constant for the circuit? S (b) How much additional time (additional to the 10.00 s) does it take for the capacitor voltage to reach 4.00 V?
A series RC circuit consists of a resistor, a capacitor that is initially uncharged, a battery, and a switch that is initially open. The battery has negligible internal resistance and an emf of 20.00 V. When the switch is closed, it takes 10.00 seconds for the capacitor voltage reach 2.00 volts. & C (a) What is the time constant for the circuit? S (b) How much additional time (additional to the 10.00 s) does it take for the capacitor voltage to reach 4.00 V?
Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 71AP: A student makes a homemade resistor from a graphite pencil 5.00 cm long, where the graphite is 0.05...
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