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Conceptual Problems: Chapter 19 - Electrostatics and Capacitance - Prof. Juyang Huang, Assignments of Physics

A set of multiple-choice questions related to the concepts of capacitance, parallel and series combinations of capacitors, batteries, and rc circuits. Students are required to fill in true or false answers for each statement.

Typology: Assignments

Pre 2010

Uploaded on 03/10/2009

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CONCEPTUAL PROBLEMS, Chapter 19
Phys 1404, Dr. Huang
Fill in a T/F answer for each statement below:
1. [ ] The equivalent capacitance of a parallel combination of capacitors is always
greater than any of the individual capacitance.
2. [ ] The equivalent capacitance of a series combination is always less than any
individual capacitance in the combination.
3. [ ] A good battery has a small internal resistance, and a weak battery has a large
internal resistance.
4. [ ] The internal resistance of a battery lowers its usable voltage.
5. [ ] The equivalent resistance of a parallel combination of resistors is always greater
than any of the individual resistors.
6. [ ] The Kirchhoff’s junction rule is based on the conservation of energy.
7. [ ] The Kirchhoff’s 2nd rule is based on the conservation of charge.
8. [ ] The time constant of an RC circuit is τ = 1/RC.
9. [ ] When charging an RC circuit, the voltage on the capacitor reaches 36.8% of its
maximum value at time = 1 time constant.

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CONCEPTUAL PROBLEMS, Chapter 19 Phys 1404, Dr. Huang

Fill in a T/F answer for each statement below:

  1. [ ] The equivalent capacitance of a parallel combination of capacitors is always greater than any of the individual capacitance.
  2. [ ] The equivalent capacitance of a series combination is always less than any individual capacitance in the combination.
  3. [ ] A good battery has a small internal resistance, and a weak battery has a large internal resistance.
  4. [ ] The internal resistance of a battery lowers its usable voltage.
  5. [ ] The equivalent resistance of a parallel combination of resistors is always greater than any of the individual resistors.
  6. [ ] The Kirchhoff’s junction rule is based on the conservation of energy.
  7. [ ] The Kirchhoff’s 2nd^ rule is based on the conservation of charge.
  8. [ ] The time constant of an RC circuit is τ = 1 /RC.
  9. [ ] When charging an RC circuit, the voltage on the capacitor reaches 36.8% of its maximum value at time = 1 time constant.