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of 39 available terms

### 39 True/False questions

1. lengthIf one resistor follows another directly so that current can follow only one pathway through both resistors, they are called ____ resistors.

2. loadterm for the potential added to a positive charge moving through a battery

3. semiconductorsterm for materials with intermediate values of resistivity

4. equivalent resistanceterm for a single resistance with the same effect as other resistances in combination

5. voltageterm for a meter that measures the voltage (IR drop) across a resistor

6. resistivityterm for the constant of proportionality in the resistance equations

7. multimeterterm for a meter that measures the voltage (IR drop) across a resistor

8. nonohmicterm that desribes conductors that fail to display constant resistance over a a wide range of voltages

9. cross-sectional area_____ ____ treats electricity as a movement of positive charge from a positively charged region to a negatively charged region.

10. seriesIf one resistor follows another directly so that current can follow only one pathway through both resistors, they are called ____ resistors.

11. conductorterm for the parts of a circuit that provide the pathway between the battery and the load

12. Ohm's lawterm for the equation V = IR

13. ammeterterm for a meter that measures the resistance of a resistor

14. ohmmeterterm for a meter that measures the resistance of a resistor

15. open-circuit voltageThe voltage listed on a battery is sometimes referred to as its _____ ____.

16. internal resistanceterm for a single resistance with the same effect as other resistances in combination

17. Kirchhoff's second lawtha law that states that, at any circuit junction, the incoming current must equal the outgoing current

18. drift velocityterm for the average velocity of an electron in the direction of current

19. principle of charge conservationthe principle that states that charge can neither be created nor destroyed

20. Kirchhoff's first lawthe law that states that the sum of all the voltages around a full circuit must equal zero

21. closed-circuit voltageThe voltage listed on a battery is sometimes referred to as its _____ ____.

22. resistanceterm for the constant of proportionality in the resistance equations

23. IR dropterm for the product IR, which specifies the potential drop over a pure resistance R carrying a current I

24. current source (battery)term for the part of a circuit that boosts the energy of a charge before sending it out at one terminal

25. closed circuitIf R has a finite value other than zero, a circuit is described as a(n) ____ ____.

26. circuitterm for a pathway for current

27. ohmicterm that describes conductors whose resistance remains constant over a wide range of voltages

28. networkterm for a circuit that contains any combination of series and parallel resistors

29. voltmeterterm for a meter that measures the resistance of a resistor

30. Conventional currentThe resistance of a conductor is inversely proportional to its ______ ____.

31. rheostatThe resistance of a conductor is directly proportional to its ____.

32. short circuitterm for a circuit which does not permit current because its resistance is essentially infinite

33. galvanometerterm for a meter that measures small amounts of current

34. conductorsterm for the parts of a circuit that provide the pathway between the battery and the load

35. insulatorsterm for materials composed of atoms that hold tightly to their electrons and are poorly suited to conduct a current

36. parallelIf the current follows different pathways through the resistors, they are ____ resistors.

37. junctionsterm for a circuit that contains any combination of series and parallel resistors

38. superconductiveterm for materials with intermediate values of resistivity

39. open circuitterm for a circuit which does not permit current because its resistance is essentially infinite