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Circuit_Theory_Homework_Assignment__1

# Circuit_Theory_Homework_Assignment__1 - Circuit...

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Circuit Theory (ECE/ENGR-2100) SS-2005 Homework #1 Question #1 - For the following questions, draw diagrams whenever necessary. (a) Determine the charge on 6.023 x 10 23 electrons. (b) If this number of electrons moves uniformly from the left end of a wire to the right in 1 ms, what current flows through the wire? (c) How many electrons must pass a given point in 1 min to produce a current of 5 A ? Question #2 - Show formulas and Calculations In this circuit, voltages, currents, and powers of some elements have been measured and indicated. (a) If element A generates 20 W of power, find V A . (b) Find the power absorbed by element B . (c) If element C generates 3 W of power, find V C . (d) If element D absorbs 27 W of power, find I D . (e) If element E absorbs 2 W of power, find I E . (f) Find the power absorbed by element F . ANSWERS: 5 V, 14 W, -1 V, -9 A, 2 A. -20 W. Question #3 In the circuit shown, i = 115 - 23t mA (a) Find the total charge that passes through element A in the interval 0 to 7 s.

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Circuit_Theory_Homework_Assignment__1 - Circuit...

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