Exam 1 Review

Exam 1 Review - ENGR 111 Exam 1 Review Oct 6 Wed...

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ENGR 111 Exam 1 Review Oct. 6, Wed. 8:15-9:45pm Zach 102 Closed book, closed notes. No calculators allowed. No teaming. Scantrons will be provided. Leave belongings (cell phones, backpacks, etc.) by the stage in front of the class.

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DC and AC Fundamentals Charge, current, voltage, resistance, power, energy Units, symbols, significant digits KCL, KVL, Ohm’s Law Resistors in series, parallel Current and voltage dividers Capacitance, inductance, power, energy RC circuits, transformers

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Example: AC The maximum current flowing through a light bulb with resistance of 1.00 k connected to a 100. V AC outlet is … peak rms peak 3 V 2 V I = = R R 2 ×100. = =0.141A 1.00×10 V AC
Example: AC The power dissipated by a light bulb with resistance of 1.00 k connected to a 100. V AC outlet at 60 Hz is … 2 2 rms 3 V V P = = R R 100.×100. = =10.0 watt 1.00×10 V AC

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Example: Capacitor The charge stored in a 500. μ F capacitor that has been charged to 25.0 V is … -6 -6 Q=CV =500.×10 ×25.0 =12500×10 =0.0125 C
Example: KCL, KVL 1 2 3 1 1 1 3 3 3 2 2 2 3 3 3 I +I +I =0 V I R =V I R V I R =V I R - - - - V 1 R 1 R 2 V 2 V 3 I 1 I 2 R 3 I 3 KCL KVL KVL

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R1=R2=R3=10.0 k , V=10.0 V. What is I?
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Exam 1 Review - ENGR 111 Exam 1 Review Oct 6 Wed...

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