Enter your Name:   Enter your E-mail Address:  Be sure to write all your answers with the proper number of significant figures and to list the units that go with your answers! 01. If current is really the flow of electrons through a conductor, why do circuit diagrams always show current as flowing from the positive side of the battery to the negative side? 02. A string of lights that do not seem to work suddenly all light up when a single bulb is replaced. Is this a series or a parallel circuit? 03. Why do all conductors have at least some resistance in them? 04. How does an electrical heater produce heat? 05. Draw the current that flows in the following diagram: 06. In which of the circuits below will the light bulb actually light? 07. A circuit has a single resistor of 56 and it draws 2.3 A of current. What is the voltage of its power source? 08. A motor has a resistance of 4.1 and draws 1.7 A of current. What is the voltage of the battery it runs on? 09. If a resistor uses 98 Watts of power and draws 1.2 A of current, what is its resistance? 10. Determine the effective resistance of the following circuit: 11. Determine the effective resistance of the following circuit: 12. What is the power drawn by the following circuit? 13. An electrician has 1 Amp, 3 Amp, and 5 Amp fuses. Which should be used for the circuit? 14. What is the power drawn by the following circuit? 15. An electrician has 1 Amp, 3 Amp, and 5 Amp fuses. Which should be used for this circuit?