ENGR111 Exam 1 (2003)

# ENGR111 Exam 1 (2003) - EXAM 1 Fall 2003 ENGR 111B...

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Page 1 of 12 EXAM 1 Fall 2003 ENGR 111B Introduction to Electrical and Computer Engineering Sections 201/202, 513/515, and 813/815 Duration: 90 minutes Name_______________________________________________ Student ID___________________________________________ Section No.______________ CLOSED BOOK. CLOSED NOTES. NO CALCULATOR ALLOWED. NO TEAMING. PLACE YOUR SCANTRON INSIDE YOUR EXAM BOOKLET BEFORE YOU HAND IT IN. The following formulas may be useful to you: V = I R (Ohm’s Law) Q = C V (Charge on a capacitor) U = 0.5 C V 2 = 0.5 Q V (Energy stored on a capacitor) P = I 2 R = V 2 /R = I V (Power) I = dQ/dt (Current) I = C dV/dt (Capacitor current) V = L dI/dt (Inductor voltage) Part Type Problems Points per problem Points I True/False 1-9 1 9 II Multiple Choice 10-14 1 5 III Multiple Choice 15-21 2 14 IV Multiple Choice 22-39 4 72 Total 100

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Page 2 of 12 I. True or False (1 point each) 1. Engineering design process is an iterative process involving design, evaluation, and testing. A. True B. False 2. Goals and constraints are not considered when developing the specifications of a product. A. True B. False 3. Learning stops after you get a degree. A. True B. False 4. The sum of currents around a loop in a circuit is zero. A. True B. False 5. A resistor can store energy. A. True B. False 6. A capacitor stores energy. A. True B. False 7. Power is dissipated in the capacitor when current passes through it. A. True B. False 8. A current of 10 A will flow through a resistor of 10 ohms when 100 V is applied across it. A. True B. False 9. Transformers can scale voltages up and down. A. True B. False
Page 3 of 12 II. Multiple Choice (1 point each) 10. The unit for resistance is A. ampere B. watt C. ohm D. farad E. henry 11. The unit for current is A. ampere B. watt C. ohm D. farad E. henry 12. The unit for power is A. ampere B. watt C. ohm D. farad E. henry 13. The unit for capacitance is A. ampere B. watt C. ohm D. farad E. henry 14. The unit for inductance is A. ampere B. watt C. ohm D. farad E. henry

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ENGR111 Exam 1 (2003) - EXAM 1 Fall 2003 ENGR 111B...

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