Immediately after the switch is closed, what is the voltage across the capacitor? E 018 zero Submit Request Answer

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 84CP: In this chapter, most examples and problems involved direct current (DC). DC circuits have the...
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Item 10
Learning Goal:
To understand the dynamics of a series R-C circuit.
Consider a series circuit containing a resistor of resistance R and a
capacitor of capacitance C connected to a source of EMF & with negligible
internal resistance. The wires are also assumed to have zero resistance.
Initially, the switch is open and the capacitor discharged. (Figure 1)
Let us try to understand the processes that take place after the switch is
closed. The charge of the capacitor, the current in the circuit, and,
correspondingly, the voltages across the resistor and the capacitor will be
changing. Note that at any moment in time during the life of our circuit,
Kirchhoff's loop rule holds and, indeed, it is helpful: E - VR - Vc = 0,
where VR is the voltage across the resistor and Vc is the voltage across
the capacitor.
Part A
Immediately after the switch is closed, what is the voltage across the capacitor?
O
O
O
E
½/ε
zero
Submit
Request Answer
Transcribed Image Text:Item 10 Learning Goal: To understand the dynamics of a series R-C circuit. Consider a series circuit containing a resistor of resistance R and a capacitor of capacitance C connected to a source of EMF & with negligible internal resistance. The wires are also assumed to have zero resistance. Initially, the switch is open and the capacitor discharged. (Figure 1) Let us try to understand the processes that take place after the switch is closed. The charge of the capacitor, the current in the circuit, and, correspondingly, the voltages across the resistor and the capacitor will be changing. Note that at any moment in time during the life of our circuit, Kirchhoff's loop rule holds and, indeed, it is helpful: E - VR - Vc = 0, where VR is the voltage across the resistor and Vc is the voltage across the capacitor. Part A Immediately after the switch is closed, what is the voltage across the capacitor? O O O E ½/ε zero Submit Request Answer
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