1) Why is electrical wiring usually made from copper? a) Copper is shiny b) Copper conducts electricity c) Copper is not magnetic d) Copper insulate electricity 2) What is a circuit that only has ONE path for electricity flow? a) series circuit b) closed circuit c) parallel circuit d) light bulb 3) What will happen If one light bulb is removed from this circuit?  a) The circuit will not work. b) The other bulbs will stay on. c) The other bulbs will get dimmer. d) The battery will become stronger. 4) A _______________ system has a feedback process.   a) conductor b) open-loop c) insulator d) closed-loop 5) Which of the following is an example of an closed-loop system? a) air-conditioning system b) table lamp c) digital thermometer d) car headlights 6) Which of the following is uses a digital display as an output process.   a) tumble dryer b) table lamp c) digital thermometer d) car headlights

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