Electronics Information
- 1.
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?
- A.
1.0 V
- B.
1.5 V
- C.
3.5 V
- D.
6.0 V
Correct Answer
D. 6.0 VExplanation
Add the voltages: 1.5 + 1.5 + 1.5 + 1.5 = 6.0 VRate this question:
-
- 2.
Which of the following is NOT needed to produce electrical power from fossil fuels?
- A.
A turbine
- B.
Steam
- C.
Gas
- D.
A dam
Correct Answer
D. A dam -
- 3.
What should the temperature be for a soldering iron to properly join two wires?
- A.
100 - 200 degrees F
- B.
200 - 300 degrees F
- C.
300 - 400 degrees F
- D.
500 - 600 degrees F
Correct Answer
D. 500 - 600 degrees F -
- 4.
What is the frequency of the alternating voltage and current commonly used in the United States?
- A.
10 hz
- B.
30 hz
- C.
60 hz
- D.
120 hz
Correct Answer
C. 60 hz -
- 5.
Most 12 V automobile batteries are made from up to 6 individual cells connected in series. What is the voltage of each cell in an automobile battery?
- A.
1 V
- B.
2 V
- C.
6 V
- D.
10 V
Correct Answer
B. 2 V -
- 6.
If you want electrical current to flow in only one direction, what you should always use?
- A.
A transistor
- B.
A transformer
- C.
A resistor
- D.
A diode
Correct Answer
D. A diode -
- 7.
How much power is being carried in a 120 V circuit when the current is 12 amps?
- A.
550 watts
- B.
144 watts
- C.
1440 watts
- D.
2400 watts
Correct Answer
C. 1440 watts -
- 8.
Copper is used in mots electric wires because it is...
- A.
A good conductor of electricity and inexpensive
- B.
A good resistor that holds power for a long time
- C.
A good semiconductor for modern microchips
- D.
A powerful transformer for increase power voltage
Correct Answer
A. A good conductor of electricity and inexpensive -
- 9.
Which of the following is NOT necessary to form an electric circuit?
- A.
Voltage source
- B.
Closed path
- C.
Resistance
- D.
Metal plug
Correct Answer
D. Metal plug -
- 10.
A 480-volt circuit has a resistance of 24 ohms. How much current is flowing?
- A.
10 amperes
- B.
20 amperes
- C.
30 amperes
- D.
40 amperes
Correct Answer
B. 20 amperes -
- 11.
What is material with high resistance classified as?
- A.
Transformer
- B.
Insulator
- C.
Resistor
- D.
Voltage
Correct Answer
B. Insulator -
- 12.
If a 120 V light bulb is rated at 60 watts, what is the bulb's rated current?
- A.
.5 amps
- B.
1amp
- C.
1.5 amps
- D.
2 amps
Correct Answer
A. .5 amps -
- 13.
What frequency is alternating voltage typically used in the United States?
- A.
10 Hz
- B.
60 Hz
- C.
100 Hz
- D.
220 Hz
Correct Answer
B. 60 Hz -
- 14.
What is an electric current commonly made of?
- A.
Electrons
- B.
Neutrons
- C.
Protons
- D.
Positrons
Correct Answer
A. Electrons -
- 15.
What are the two most commonly used metals in solder?
- A.
Aluminum & tin
- B.
Gold & silver
- C.
Gold & bronze
- D.
Tin & lead
Correct Answer
D. Tin & lead -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Jan 08, 2015Quiz Edited by
ProProfs Editorial Team -
Jan 07, 2015Quiz Created by
- Aeronautics Quizzes
- Aerospace Quizzes
- Agricultural Science Quizzes
- Astrology Quizzes
- Astronomy Quizzes
- Atom Quizzes
- Biochemistry Quizzes
- Biology Quizzes
- Biomechanics Quizzes
- Biostatistics Quizzes
- Biotechnology Quizzes
- Botany Quizzes
- Branches Of Science Quizzes
- Chemistry Quizzes
- Cytology Quizzes
- Easy Science Quizzes
- Ecology Quizzes
- Electrical Quizzes
- Embryology Quizzes
- Endocrinology Quizzes
- Environmental Science Quizzes
- Epidemiology Quizzes
- Experiment Quizzes
- Forestry Quizzes
- Fossil Quizzes
- Gas Quizzes
- General Science Quizzes
- Genetics Quizzes
- Histology Quizzes
- Human Biology Quizzes
- Integrated Science Quizzes
- Invention Quizzes
- Library Science Quizzes
- Lighting Quizzes
- Liquid Quizzes
- Marine Biology Quizzes
- Microbiology Quizzes
- Molecular Biology Quizzes
- Nature Quizzes
- Neuroscience Quizzes
- Nuclear Science Quizzes
- Oceanography Quizzes
- Physics Quizzes
- Psychology Quizzes
- Science And Technology Quizzes
- Science Glossary Quizzes
- Science Knowledge Quizzes
- Science Practice Quizzes
- Scientific Method Quizzes
- Scientific Notation Quizzes
- Soil Science Quizzes
- Solar System Quizzes
- Solid Quizzes
- Zoology Quizzes
Back to top