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  1. AP Physics 2
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Electric Force, Field, and Potential

Question 1
college-boardPhysics 2APExam Style
1 mark

What impact would there have been on historical models predicting lightning patterns had they accounted for varying atmospheric layers' differing permitivities instead assuming uniformity throughout stratosphere?

Question 2
college-boardPhysics 2APExam Style
1 mark

What equation allows you to find the force between two point charges?

Question 3
college-boardPhysics 2APExam Style
1 mark

How does increasing the intensity of light in the photoelectric effect demonstrate wave-particle duality?

Question 4
college-boardPhysics 2APExam Style
1 mark

If a system undergoes an isothermal expansion, which of the following best describes the change in entropy of the system?

Question 5
college-boardPhysics 2APExam Style
1 mark

When a closed system reaches equilibrium after experiencing reversible processes, what will occur if entropy were hypothetically decreased?

Question 6
college-boardPhysics 2APExam Style
1 mark

How does inserting a dielectric into a charged isolated capacitor affect energy stored if half its volume has twice the permittivity of free space and the other half matches free space?

Question 7
college-boardPhysics 2APExam Style
1 mark

What does a high dielectric constant indicate about a material's ability to store electric charge?

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Question 8
college-boardPhysics 2APExam Style
1 mark

How does placing multiple layers of different dielectrics between parallel plates influence electrical breakdown strength compared to single-layer configurations under uniform fields?

Question 9
college-boardPhysics 2APExam Style
1 mark

What effect would using a dielectric with high electric permittivity have on an electrostatic force between two charges compared to vacuum?

Question 10
college-boardPhysics 2APExam Style
1 mark

A capacitor is filled with two dielectric materials of permittivities ε1\varepsilon_{1}ε1​ and ε2\varepsilon_{2}ε2​ with ε1>ε2\varepsilon_{1} > \varepsilon_{2}ε1​>ε2​; how does the capacitance change if the boundary between the two materials is perpendicular to the plates compared to when it's parallel?