AC/DC Chapter 1 Vocabulary: Part 2

7. the measurement of the intensity of heat
8. the higher the amount of heat produced, the faster the temperature increases in the body being heated
12. the energy of motion
13. current that flows in only one direction
14. 1 coulomb of electrons passing a given point in one second
16. any force that tends to hinder the movement of an object
18. equal to 746 W or 550 lb-ft per second (33,000 lb-ft per minute)
22. is current that reverses its direction of flow at regular intervals
23. the application of a force over a distance
24. equal to one joule per second in the metric system
25. the rate of doing work or using energy
26. the product of the voltage and current in a circuit calculated without considering the phase shift that may be present between the voltage and current in the circuit
28. 6.241 x 10^18

1. the opposition to the flow of electrons
2. current flow from positive to negative
3. the actual power used in an electrical circuit
4. the ability to do work and is measured in the same units as work
5. stored energy a body has due to its position, chemical state, or condition
6. a measure of gravity or the force of the Earth's attraction to a body
9. current flow from negative to positive
10. the amount of electrons flowing through an electrical circuit
11. a measured duration of time based on cycles of radiation measured with a spectrometer
15. the rate of doing work through mechanical means
17. the difference between the power input and power output
19. the state in which voltage and current in an AC circuit reach their maximum amplitudes and zero levels at different times
20. any cause that changes the position, motion, direction, or shape of an object
21. the measurement of linear units
27. the ratio of the power output to the power input
29. the measurement of matter contained in an object