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Unformatted text preview: EECS 117A, Spring 1994, Midterm 1 EECS117a, Spring 1994 Midterm 1 Prof. John S. Smith Prof. D. J. Angelakos First Midterm closed book, each problem equal weight Problem #1 For a charge q above two sheets of metal forming a corner, as shown in the diagram, calculate the actual electric fields, in the metal sheets, and in the space above and below the metal sheets. Find the total force on the charge, including its direction. Find an expression for the charge distribution induced on the surface of the metal sheets. Problem #2 Using Gauss's Law, find the fields around and between two sheets of charge, with a sheet charge density of RHOs on one and -RHOs on the other. Find the potential difference between the sheets. How much energy is consumed per unit area to bring these charges into this configuration? Problem #3 file:///C|/Documents%20and%20Settings/Jason%20Raft...%20-%20Spring%201994%20-%20Smith%20-%20Mid%201.htm (1 of 3)1/27/2007 4:28:57 PM EECS 117A, Spring 1994, Midterm 1 Find the additional inductance added to a straight wire by placing a ferite bead around it, if the ferrite...
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- Spring '09
- Electrical Engineering, Magnetic Field, Electric charge, metal sheets, Electrical Engineering and Computer Science Honor Society, EECS 117A, Prof. John S. Smith Prof. D. J. Angelakos