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Praxis General Science: Magnetism & 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!

Page 1

Question 1 1. The sum of all voltage drops in a circuit is equal to __

Question 2 2. A material is ferromagnetic if:

Question 3 3. Electrical resistance is caused by:

Question 4 4. Adding a light bulb to a series circuit will:

Question 5 5. Increasing the current through a wire:

Page 2

Question 6 6. Objects that don't naturally act like magnets can be attracted to a permanent magnet because:

Question 7 7. Using Kirchhoff's rules, what is the voltage of the power source in this circuit?

Question 8 8. If a permanent magnet is sitting next to a conductor _____.

Question 9 9. A ferromagnetic core:

Question 10 10. Alternating current:

Page 3

Question 11 11. Which of the following is true about capacitors?

Question 12 12. All magnetic fields are created by:

Question 13 13. If the temperature of a conductor increases, then:

Question 14 14. The voltage across each light bulb in a parallel circuit:

Question 15 15. According to Kirchhoff's first rule, which of the following is true about current as it leaves a circuit junction?

Page 4

Question 16 16. Using Kirchhoff's rules, what is the amount of current in I1?

Question 17 17. Electrical resistance:

Question 18 18. Adding a light bulb to a parallel circuit will:

Question 19 19. Which is NOT true about resistors?

Question 20 20. The strength of an electromagnet can be:

Page 5

Question 21 21. The total current through a parallel circuit:

Question 22 22. Resistivity is:

Question 23 23. Magnetic domains are:

Question 24 24. Similar poles _____ and opposite poles _____.

Question 25 25. Electromagnetic induction is _____.

Page 6

Question 26 26. The resistance of a wire increases if:

Question 27 27. All of the following will affect an induced voltage, except _____.

Question 28 28. The transfer of electrical energy through a conductor:

Question 29 29. To create a magnetic field, a charged particle must be:

Question 30 30. RC circuits are unique because

Praxis General Science: Magnetism & 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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