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Unformatted text preview: Find the surface charge density, s . 2. Problem 4.58 on page 233 of Ulaby 6 th edition. 3. You have a 20cm 30cm rectangular loop of wire carrying 10Amps dc. What is the magnetic field in the center of the loop? 4. Problem 5.4 on page 274 of Ulaby 6 th edition. 5. Do Problem 5.17 on page 277 of Ulaby 6 th edition. 6. You are making electrical contact using the very large hemispherical electrode below. Contact is made to a tiny hemispherical protrusion of diameter 100nm shown in red below. What is the contact resistance of this electrode? Please take the Ag, Silver, resistivity as 2 10-8 Ohm-meters. 100nm Ag...
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- Spring '09