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Transcript
DUE: Friday, September 6 Electricity Exercises Work each problem on paper or Microsoft Word, along with a brief description of how you solved the problem. Your work should include a step-by-step solution to the problem. Please include any free body diagrams that help you explain your answers. Question 1 Aluminum has a resistivity of 2.7*10-8 Ωm. What would be the resistance of 100 m of aluminum wire with a cross-sectional area of 2*10-4 m2? Question 2 A 10 ohm resistor and a 20 ohm resistor are connected in parallel. What is the equivalent resistance of this setup? Question 3 A 4 ohm resistor and 10 ohm resistor are connected in series. If this circuit is connected to a 12 V battery, how much current will flow through the circuit? Question 4 A 30 ohm resistor is connected to a 1.5 V battery. How much power is dissipated by the resistor? Question 5 Two point charges, each 6*10-5 C, are separated by 30 cm. What is the electrostatic force produced by this arrangement?
