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### Question limit

of 31 available terms

### 31 Matching questions

1. series-opposing combination
2. power
3. self-inductance
4. transformer equation
5. self-induced emf
6. dielectric constant
7. primary, secondary
8. capacitance
10. transformer
11. henrys
12. inductance
13. step-down transformer
14. mutual inductance
15. inductor
16. henry
17. packing density
18. step-up transformer
19. root-mean-square (rms) value
20. Joseph Henry
21. series-aiding combination
22. ninety-five
24. dielectric
25. opposes
26. dielectric strength
27. house current
28. rate, resistance
29. area, closer together, dielectric
30. joule heat
31. capacitor
1. a the physicist who experimented with electricity and magnetism and discovered electromagnetic induction independently of Faraday
2. b Because they typically store only very small amounts of charge, capacitors usually have capacitances measured in _____ or _____.
3. c term for the maximum potential gradient that a material can withstand before it begins to conduct current
4. d The effective value of an alternating current is regarded as equal to the direct current that would produce heat at the same average ___ in the same _____.
5. e term that describes a material that reduces the voltage associated with a given state of charge
6. f term for the current furnished by electric power companies
7. g term for the equation that relates the voltages and numbers of turns in the primary and secondary coils of a transformer
8. h term for a device for producing a fixed increase or decrease in voltage
9. i If two coils in separate circuits are brought close together, changing current in the first (____) coil induces a current in the second (______) coil.
10. j term for a circuit element with the property of self-inductance
11. k term for the tendency of a loop or a coil to oppose any change in current
12. l term for the heat generated by current when it passes through a resistance
13. m term for the number of turns per unit length of a coil
14. n term for a transformer that decreases voltage
15. o the unit of capacitance
16. p term for the maximum charge that a plate can hold
17. q the unit of inductance
18. r If a change in magnetic flux arises from a fluctuation of current within the conducting loop itself, ______ ___ is produced.
19. s term for the time rate of work
20. t Capacitance may be changed by:
1.) Increasing the ___ of each plate.
2.) Bringing the plates ____ _____.
3.) Filling the gap between the plates with _____.
21. u term for the induction of an emf in one coil by another coil
22. v Mutual inductance is measured in ____.
23. w An induced emf ____ the change inducing it.
24. x term for a transformer that increases voltage
25. y term for an arrangement in which self-inductance and mutual inductance have contrary effects
26. z term for the combined effect of both mutual inductance and self-inductance
27. aa term for the factor by which capacitance is multiplied when a certain material is used as a dielectric
28. ab term for an arrangement in which the self-inductance in each coil is enhanced by mutual inductance because all the magnetic flux in both coils runs in the same direction
29. ac term for a charge-storing device consisting of two conductors in near relation but not touching
30. ad A well-designed transformer transmits energy from the primary circuit to the secondary circuit with above _____ percent efficiency.
31. ae term for the effective value of an alternating current