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Quiz4solutions

# Quiz4solutions - PHY2049 Quiz 4 on chapter 26 1 A very...

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PHY2049 Quiz 4 on chapter 26 1. A very large capacitor is in series with a very small capacitor. The equivalent capacitance of this combination will be a) slightly greater than the capacitance of the large capacitor, b) slightly less than the capacitance of the large capacitor, c) slightly greater than the capacitance of the small capacitor, or d) slightly less than the capacitance of the small capacitor. Answer (d) 2. Two capacitors, identical except for the dielectric material between their plates, are connected in parallel. One has a material with a dielectric constant of 2, while the other has a material with a dielectric constant of 3. What is the dielectric constant that a material would need to have if the material were to replace the current dielectrics without changing the capacitance of the entire arrangement? A) 5/2 B) 5 C) 6/5 D) 5/6 Answer: A 3. The capacitance of a capacitor depends on A) the charge on it. B) the potential difference across it. C) the energy stored in it.

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