Overview of Current Electricity Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Materials that make good electrical insulators contain atoms with:

Question 2 2. An example of a good conductor is:

Question 3 3. Electrical energy is conducted through a material by:

Question 4 4. Current is:

Question 5 5. Direct current:

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Question 6 6. The two types of current are:

Question 7 7. Charge carriers move through a conductor when _____.

Question 8 8. What is the speed of a charge carrier through a conductor equal to?

Question 9 9. Electron mobility is dependent on _____.

Question 10 10. Resistance is equal to:

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Question 11 11. Current is equal to:

Question 12 12. Voltage is equal to:

Question 13 13. Electrical resistance:

Question 14 14. Resistivity is:

Question 15 15. If the temperature of a conductor increases, then:

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Question 16 16. What is the first step to calculating the equivalent resistance of a combination circuit?

Question 17 17. Which term is often used interchangeably with equivalent resistance?

Question 18 18. If a circuit has five resistors lined up in a chain and, therefore, only one path for the electrical current, which sort of circuit is it?

Question 19 19. A voltage of 20 V is input into a potentiometer. The total resistance of the potentiometer is 10 k-Ohm. If the output voltage has to be 5V, what is the resistance from the stationary to the moving terminal?

Question 20 20. The basic working element in a potentiometer is a _____.

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Question 21 21. A potentiometer takes an input voltage and _____.

Question 22 22. Using Kirchhoff's rules, what is the voltage of the power source in this circuit?

Question 23 23. Using Kirchhoff's rules, what is the amount of current in I1?

Question 24 24. According to Kirchhoff's first rule, which of the following is true about current as it leaves a circuit junction?

Question 25 25. Materials that make good electrical conductors contain atoms with:

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Question 26 26. Alternating current:

Question 27 27. How does the drift velocity of a charge carrier compare to the speed of light (3.0 x 108 m/s)?

Question 28 28. If the resistance is increased:

Question 29 29. The resistance of a wire increases if:

Question 30 30. Which of these is true about parallel circuits?

Overview of Current Electricity Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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