Phys 222 SI Exam Review With Rosalie.

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Presentation transcript:

Phys 222 SI Exam Review With Rosalie

Electric Field and Forces

Question The figure shows three electric charges labeled Q1, Q2, and Q3 and electric field lines in the region surrounding the charges. What are the signs of the three charges?

Answer The figure shows three electric charges labeled Q1, Q2, and Q3 and electric field lines in the region surrounding the charges. What are the signs of the three charges? Q1 is positive, Q2 is negative, and Q3 is positive Electric field lines start at positive charges and end at negative charges

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Gauss Law

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Electric Potential and Electric Potential Energy

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Answer This question is basically asking how difficult is would be to get the charges aligned. C and D are the easiest because the outer charges are attracted to the middle charge. A is the most difficult because all three charges repel each other. B is somewhere in the middle because one charge is repelled and one is attracted.

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Capacitance

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Circuits and Power

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