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Circuits in Physics: Help and Review 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. What is the resistance (impedance) of a 3 x 10^-6 farad capacitor powered by an AC power supply with a frequency of 60 Hz?

Question 2 2. RC circuits are unique because

Question 3 3. The transfer of electrical energy through a conductor:

Question 4 4. One watt is equal to:

Question 5 5. When given the current and resistance, power can be calculated by:

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Question 6 6. Alternating current:

Question 7 7. Which of the following is true about capacitors?

Question 8 8. Electrical resistance:

Question 9 9. An resonant RLC series circuit contains an inductor of inductance 1 Henry, powered by an AC power supply that switches at a frequency of 60 Hz. If the current in the circuit is 1 amp, what is the voltage across the inductor?

Question 10 10. Which of the following is a correct definition of an RLC series circuit?

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Question 11 11. According to Kirchhoff's first rule, which of the following is true about current as it leaves a circuit junction?

Question 12 12. Materials that make good electrical insulators contain atoms with:

Question 13 13. Resistivity is:

Question 14 14. If the rms voltage in a light bulb is 240 volts, and the rms current is 0.5 amps, how many watts of power is the light bulb using?

Question 15 15. Current is:

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Question 16 16. When given the current and voltage, power can be calculated by:

Question 17 17. Conductivity is:

Question 18 18. A capacitor with a capacitance of 4 x 10^-6 Farads is connected to a 120 Hz power source. What is the capacitive reactance of the capacitor?

Question 19 19. A resonant RLC series circuit contains a resistor of 10 Ohms, and has a 120 volt AC power supply. What is the current in the circuit?

Question 20 20. The two types of current are:

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Question 21 21. Which of the following is not, on a basic level, the same thing as the others?

Question 22 22. If the temperature of a conductor increases, then:

Question 23 23. Materials that make good electrical conductors contain atoms with:

Question 24 24. The unit of electrical power is the:

Question 25 25. Voltage is equal to:

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Question 26 26. What happens to the voltage as it encounters a resistor from negative to positive?

Question 27 27. Power is a measure of how much:

Question 28 28. Which of the following defines 'alternating current'?

Question 29 29. Using Kirchhoff's rules, what is the voltage of the power source in this circuit?

Question 30 30. In an AC current, how does the voltage compare from one moment to the next?

Circuits in Physics: Help and Review 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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