Electronics Information Test
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Electronics Information Test
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25 Questions

1. Most wires today are manufactured from
2. Which function does the receiving antenna provide in radio communication?
3. A voltmeter is connected to a circuit as shown. What will the meter read?
4. Which of the following is the current when 300 coulombs of charge move through a light bulb in one minute?
5. Which of the following is NOT needed to produce electrical power from fossil fuels?
6. A high tension power line has 100 amperes flowing through it. The resistance of the power line is 0.01 O/foot. How much power- in watts- is lost in one foot of wire?
7. Which of the following terms is the same as a potential difference?
8. Which electronic component can be used to change the value of an alternating voltage?
9. What natural resource is used to generate the majority of the electricity used in the United states?
10. When two parallel resistances are combined- the equivalent resistance is
11. What is the voltage across the load R and the current through R when the switch is open in the following circuit?
12. An AC voltmeter is connected across an outlet in your home.Which voltage will it read?
13. Which of the following values would provide the greatest resistance?
14. Current is measured in
15. Electricity is unique among energy sources. Which of the following is NOT a unique characteristic of electricity?
16. Resistance in an electric circuit
17. A material with a very large resistance is classified as
18. A power plant that generates two hundred kilowatts generates how many watts?
19. Two 8-ohm speakers are connected in series to an amplifier with a 24-volt output.What is the voltage across each speaker?
20. Which of the following fossil fuels is NOT heavily used to produce electrical power?
21. An AA battery produces a potential difference of 1.5 V. Four AA batteries are placed in series to power a portable FM radio.What is the total voltage of the radio?
22. Film resistors are typically used when
23. Which of the following is NOT a good insulator?
24. What should the temperature of a typical soldering iron be when joining two wires together?
25. Metals are very good conductors of electricity because they