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HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING INTRO TO ELECTRICAL AND COMPUTER ENGINEERING (ECE110) MIDTERM EXAMINATION Semester (2014-2015) Duration: 60 Student’s Name Score Student ID Number Lecturer om Department of Electronics Engineering C Dr Le Chi Thong nh Vi en Zo ne INSTRUCTIONS: Answer on this question sheet Lectures, class notes, books, laptops, iPads, … are NOT accepted Arithmetic-only calculators are accepted Show all your work, e.g., your solution process, the equation(s) that you use, the values of the variables used the equation(s), … Include the unit of measurement in each answer Do NOT communicate with any other students (0.5 points) Si Problem a) Compute the variation of charge from to 12 sec for the following current: (i) I = mA (ii) (1.0 point) I [mA] SinhVienZone.com 10 12 t [sec] Page of https://fb.com/sinhvienzonevn HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING b) Compute the period, 15 10 and of the following signal: (1.5 points) V [V] 10 VAve = VRMS = Zo T= ne C om t [sec] Si nh Vi en Problem Find the resistance between A and B and the resistance between C and D RAB = SinhVienZone.com RCD = Page of https://fb.com/sinhvienzonevn (1.5 points) HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING Problem 3: Use the following circuit for this problem (1.5 points) nh Vi en Zo ne C om a) Find the value of V1, V2, V4, i1, i2 and i3 V1 = i1 = V2 = V4 = i2 = i3 = Si b) Compute the power of all elements in this circuit and specify the elements are source or load (1.0 point) 14V element 2Ω element 6V element 1Ω element Power Source/Load SinhVienZone.com Page of https://fb.com/sinhvienzonevn 3A element HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY OF ELECTRICAL AND ELECTRONICS ENGINEERING Problem a) Find the IV equation of the circuit below Given ne (0.5 point) nh Vi en Zo b) Find the IV equation of the circuit below Given C om (1.5 points) Si c) Find the values of I2 and V2 when circuit in a) and circuit in b) are connected together (1.0 point) V2 = SinhVienZone.com I2 = Page of https://fb.com/sinhvienzonevn ... (1.5 points) Si c) Find the values of I2 and V2 when circuit in a) and circuit in b) are connected together (1.0 point) V2 = SinhVienZone. com I2 = Page of https://fb .com/ sinhvienzonevn ... the resistance between A and B and the resistance between C and D RAB = SinhVienZone. com RCD = Page of https://fb .com/ sinhvienzonevn (1.5 points) HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY... (1.0 point) 14V element 2Ω element 6V element 1Ω element Power Source/Load SinhVienZone. com Page of https://fb .com/ sinhvienzonevn 3A element HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY – FACULTY
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