quiz_05ab

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Northeastern University *

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1155

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Physics

Date

Apr 3, 2024

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pdf

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2

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Physics 1157: Interactive Learning Seminar Spring 2024 1 Quiz 5 Your name: ___________________________________________________________________ When answering each problem: show your work, explain in words, and draw diagrams. Problem 1 A capacitor is charged by a battery 𝑉 0 , as shown in step 1. The battery is removed (step 2), and a dielectric with constant 𝜅 is inserted between the plates (step 3). 1. [2 points] Explain whether the voltage will increase, decrease, or stay the same. Problem 2 Consider the circuit shown at right. The full charge on 𝐶 2 is 𝑞 2 = 500 μC . 1. [1 point] Find 𝑞 1 . 2. [1 point] Find 𝑉 1 . 3. [1 point] Find 𝐶 2 .
Physics 1157: Interactive Learning Seminar Spring 2024 2 Problem 3 Consider the capacitor circuit shown. 1. [2 points] Find the equivalent capacitance 𝐶 eq . 2. [1 point] How much charge 𝑞 is stored in 𝐶 2 ? 3. [2 points] What is the potential difference across 𝐶 2 ?
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