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ECH 152A, Fall 2011, Roland Faller Homework 1, October 1, 2012 Due: October 8, Beginning of Lecture 1. (4 points) UNITS Electric current is the fundamental SI dimension with unit Ampere . For the following quantities combine fundamental SI units to obtain derived SI units Electric power, electric charge, resistance, and voltage. 2. (4 points) A mercury manometer at 25 C gives a reading of 72.78 cm at a point where the local acceleration of gravity is 9.81 ms- 2 . The atmo- spheric pressure is 100.78 kPa. What is the absolute pressure being measured?spheric pressure is 100.... View Full Document

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