PHYS 2523 Exam 1- February 15,2018 Student ID:Zi0CISEI2 1. (4 pts. each) Conside

Question

PHYS 2523 Exam 1- February 15,2018 Student ID:Zi0CISEI2 1. (4 pts. each) Consider two concentric conducting spherical shells. Inner shell carries an ex cess charge of +2 C and outer shell carries +4 C. In the figure, the inner shell has an inner radius of a and an outer radius of b, and the outer shell has an inner radius of e and an outer radius of d. What are the excess charges on the four surfaces? (1.1) Inner surface of small shell at r a from the center ( (1.2) Outer surface of small shell at Fb from the center: L (1.3) Inner surface of large shell at rc from the center: ( (1.4) Outer surface of large shell at rd from the center: ) A spherical Gaussian surface is constructedatb

Explanation / Answer

1.1: 0

1.2 +2 uC

1.3 - 2uC

1.4 6 uC

1.5 for b< r < c

Qin = 2 uC

2. Ans(e)

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