PAbernathy Posted February 16, 2007 Report Share Posted February 16, 2007 Basic Electrical Theory Questions Just a little refresher on how the ole' electrical stuff works....for educatonal purposes only.....It's just FUN ! 1 What is the name for the flow of electrons in an electric circuit? A. Voltage B. Resistance C. Capacitance D. Current 2 What is the basic unit of electric current? A. The volt B. The watt C. The ampere D. The ohm 3 Which instrument would you use to measure electric current? A. An ohmmeter B. A wavemeter C. A voltmeter D. An ammeter 4 What is the name of the pressure that forces electrons to flow through a circuit? A. Magnetomotive force, or inductance B. Electromotive force, or voltage C. Farad force, or capacitance D. Thermal force, or heat 5 What is the basic unit of electromotive force (EMF)? A. The volt B. The watt C. The ampere D. The ohm 6 How much voltage does an automobile battery usually supply? A. About 12 volts B. About 30 volts C. About 120 volts D. About 240 volts 7 How much voltage does a wall outlet usually supply (in the US)? A. About 12 volts B. About 30 volts C. About 120 volts D. About 480 volts 8 Which instrument would you use to measure electric potential or electromotive force? A. An ammeter B. A voltmeter C. A wavemeter D. An ohmmeter 9 What limits the current that flows through a circuit for a particular applied DC voltage? A. Reliance B. Reactance C. Saturation D. Resistance 10 What is the basic unit of resistance? A. The volt B. The watt C. The ampere D. The ohm 11 Which instrument would you use to measure resistance? A. An ammeter B. A voltmeter C. An ohmmeter D. A wavemeter 12 What are three good electrical conductors? A. Copper, gold, mica B. Gold, silver, wood C. Gold, silver, aluminum D. Copper, aluminum, paper 13 What are four good electrical insulators? A. Glass, air, plastic, porcelain B. Glass, wood, copper, porcelain C. Paper, glass, air, aluminum D. Plastic, rubber, wood, carbon 14 What does an electrical insulator do? A. It lets electricity flow through it in one direction B. It does not let electricity flow through it C. It lets electricity flow through it when light shines on it D. It lets electricity flow through it So.....How did you do no these BASIC electrical theory questions? Quote Link to comment Share on other sites More sharing options...
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