1. What is an alternationg circuit?
2.how does a direct current differ from an alternating current?
3. What is a conductor of electricty
4. What is a semi-Conductor? What is the most popular ingredient added to metal to produce a sem-conductor
5.What is a insalator?
6. Explain what we mean by a volt?
7. What is a series curcuit?
8. Why does a string of christmas lights go out if one bulb is burned out?
9. What is the resistance of a circuit that shows a voltage drop of 4 volts when a current of .5 amps is flowing thought it?
10.What current flows through and appliance if the voltage is 36 volts and the resistance is 18 ohms?
11. what is the voltage drop of a system if the amps 5 A and the resistance is 10 Ohms?
12. What are the three varaations of the forumla for resistance, voltage and current?
13. If a house ciruit is to be constructed to run 5 (100 watt) lights, how large must the breaker be?
14. The 4 best conductors of electricity in order of conductivity are?
2007-02-06
10:45:57
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1 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Physics