Physics 248: Intro to Modern Physics II

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Last updated 5:06 PM on 9/26/26
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19 Terms

1
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What is Coulombs law

(Lecture 1, Covered September 2)

<p>(Lecture 1, Covered September 2)</p>
2
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Do two similar charges repel or attract

Repel (Lecture 2, Covered September 4)

3
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Do two different charges repel or attract

Attract (Lecture 2, Covered September 4)

4
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Which force is stronger, electric force or gravity

Electric force by far. Not even close (Lecture 2, Covered September 4)

5
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What is the charge of an electron

(Lecture 2, Covered September 4)

<p>(Lecture 2, Covered September 4)</p>
6
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What is the mass of an electron

(Lecture 2, Covered September 4)

<p>(Lecture 2, Covered September 4)</p>
7
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What is the value of k in Coulomb’s constant

(Lecture 2, Covered September 4)

<p>(Lecture 2, Covered September 4)</p>
8
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What is the equation that relates force and electric field

F = qE (Lecture 2, Covered September 4)

9
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What are the linear charge density formulas

(Discussion 1, Covered September 8)

<p>(Discussion 1, Covered September 8)</p>
10
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What is Maxwell’s first equation (it relates electric field and enclosed charge)

(Lecture 5, Covered September 14)

<p>(Lecture 5, Covered September 14)</p>
11
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What is volumetric charge density defined as

(Lecture 6, Covered September 16)

<p>(Lecture 6, Covered September 16)</p>
12
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What is Gauss’s Law in differential form. What is the proof mathematically

It is proved via the Divergence Theorem (From Calc 3) (Lecture 7, Covered September 18)

<p>It is proved via the Divergence Theorem (From Calc 3) (Lecture 7, Covered September 18)</p>
13
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What is Maxwells Second Equation in differential form

(Lecture 7, Covered September 18)

<p>(Lecture 7, Covered September 18)</p>
14
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How is electric field related to electrostatic potential

(Lecture 8, Covered September 21)

<p>(Lecture 8, Covered September 21)</p>
15
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What is work in terms of electrostatic potential

Where phi b is the final potential and phi a is the initial potential (Lecture 8, Covered September 21)

<p>Where phi b is the final potential and phi a is the initial potential (Lecture 8, Covered September 21)</p>
16
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<p>What is the Taylor expansion of the image too 2 terms </p>

What is the Taylor expansion of the image too 2 terms

(Lecture 9, Covered September 23)

<p>(Lecture 9, Covered September 23)</p>
17
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<p>What is the Taylor expansion of the image</p>

What is the Taylor expansion of the image

(Lecture 9, Covered September 23)

<p>(Lecture 9, Covered September 23)</p>
18
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What is the energy stored in a capacitor

(Lecture 10, Covered September 25)

<p>(Lecture 10, Covered September 25)</p>
19
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What is the energy density of a capacitor

(Lecture 10, Covered September 25)

<p>(Lecture 10, Covered September 25)</p>