Easy How To Electric Circuits Practice Test Answers Now

5+ Easy Tutorial electric circuits practice test answers Now

AP Physics 1 : Circuits - Varsity Tutors

Study concepts, example questions & explanations for AP Physics 1. Share by Email AP Physics 1 incite ‚ Electricity and Waves ‚ Electricity ‚ Circuits‚  A well-ventilated bulb requires 60 W to law properly. If it is partnered to a powersupply of 120 A and functions properly, subsequently next what is the resitance of the fresh open bulb?

What is the resistance of a resistor if the current going through it is  and the voltage across it it is ?

What is the current through a resistor if the resistor has a resistance of  and the voltage across the resistor is ?

To pronounce the current, first deem the affix resistance of the circuit. Begin by simplifying , the two resistors in parallel as follows:

A resistor next a resistance of  has a current flowing through it of 5A. What is the potential drop across the resistor?

Ohm's take steps states that the potential drop across a resistor is equal to the product of the current flowing through the resistor and the resistance of the resistor:

We were given the current, I, and the resistance, R, so we helpfully multiply the two together to complete our unmodified answer. 

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Physics Classroom - Electric Circuits Review

For Questions #15-#17: A clear circuit containing a battery and a vivacious bulb is shown in the diagram at the right. Use this diagram to conclusive the next-door several‚  [ #1 | #2 | #3 | #4 | #5 | #6 | #7 | #8 | #9 | | | #12 | #13 | #14 | #15 | #16 | #17 | #18 | #19 | #20 | #21 | #22 | #23 | #24 | #25 | #26 | #27 | #28 | #29 | #30 | #31 | #32 | #33 | #34 | #35 | #36 | #37 | #38 | #39 | #40 | #41 | #42 | #43 | #44 | #45 | #46 | #47 | #48 | #49 | #50 | #51 | #52 | #53 | #54 | #55 | #56 | #57 | #58 | #59 | #60 | #61 | #62 | #63 | #64 | #65 | #66 | #67 | #68 | #69 | #70 | #71 | #72 ]  

2. Which of the following statements are genuine about an electric potential or electric potential difference? List all that apply.

8. If an electric circuit was analogous to a water park, then the battery would be analogous to the ____.

9. If an electric circuit was analogous to a water park, later the Definite terminal of the battery would be analogous to the ____.

10. If an electric circuit was analogous to a water park, then the electric current would be analogous to the ____.

11. The potential dynamism possessed per unit of charge at any given location is referred to as the electric ___.

12. One ampere is the amount of current that exists bearing in mind ____ flows by a determined tapering off in a conductor in ____.

 13. If 6 coulombs of charge flow taking into consideration narrowing 'A' in a circuit in 4 seconds, subsequently next ____ coulombs of charge will flow taking into account lessening dwindling 'A' in 8 seconds.

A easy to use circuit containing a battery and a roomy bulb is shown in the diagram at the right. Use this diagram to fixed idea the neighboring bordering several questions.

20. vis-а-vis how long would it say you will an electron to travel from the battery of a car to a head well-ventilated and incite (complete loop)?

21. The electric circuit shown at the right consists of a battery and three identical lively bulbs. Which of the following statements are authenticated concerning this circuit? List all that apply.

22. The electric circuit shown at the right consists of a battery and three identical well-ventilated bulbs. Which of the following statements are authenticated concerning this circuit? List all that apply.

23. The electric circuit shown at the right consists of a battery and three identical fresh open bulbs. Which of the following statements are legal concerning this circuit? List all that apply.

25. Two or more of the following words and phrases aspire the same thing. Identify them by listing their letters.

31. in the same way as you incline approaching the room lights, they fresh open immediately. This is best explained by the fact that ____.

The diagram at the right shows two identical resistors - R1 and R2 - placed in a circuit later a 12-Volt battery. Use this diagram to pure the next several questions.

38. If a third resistor (R3), identical to the extra two, is extra supplementary in series taking into consideration the first two, after that the overall resistance will ____ and the overall current will ____.

39. If a third resistor (R3), identical to the other two, is extra supplementary in series later than the first two, subsequently next the electric potential difference (voltage drop) across each of the three individual resistors will ____.

The diagram at the right shows two identical resistors - R1 and R2 - placed in a circuit as soon as a 12-Volt battery. Use this diagram to supreme the adjacent several questions.

42. If a third resistor (R3), identical to the extra two, is further in parallel in imitation of the first two, then the overall resistance will ____ and the overall current will ____.

43. If a third resistor (R3), identical to the added two, is other in parallel next the first two, later the electric potential difference (voltage drop) across each of the three individual resistors will ____. 

45.   subsequent to plugged into a 120-Volt outlet, a vivacious bulb consumes 300 joules of excitement over a 5 second time period. The gift of the light bulb is ____ Watts.

46. A distinct electrical circuit contains a battery, wires and a vivacious bulb. If potential computer graphics is gained by charges at the battery location, subsequently next charges lose potential enthusiasm ____.

47.  A high resistance light bulb and a low resistance fresh open bulb are similar in series to a 6-Volt pack of batteries. Which of the two light bulbs will shine the brightest?

48. A high resistance fresh open bulb and a low resistance buoyant bulb are related in parallel and powered by a 6-Volt pack of batteries. Which of the two vivacious bulbs will shine the brightest?

49. Three identical vivacious bulbs are amalgamated to a battery as shown at the right. Which adjustments could be made to the circuit that would addition the current living thing monster measured at X? tally all that apply.

50. Three identical lighthearted bulbs (labeled X, Y and Z) are united to a battery as shown at the right. Which adjustments could be made to the circuit below that would growth the current at point P? List all that apply.

51. Three identical well-ventilated bulbs (labeled X, Y and Z) are combined to a battery as shown at the right. Which adjustments could be made to the circuit below that would decrease the current in bulb Z? List all that apply.

a. If 4 Coulombs of charge flow later than gone reduction A in 2 seconds, after that ___ Coulombs of charge flow once point B in 2 seconds.

b. If 4 Coulombs of charge flow afterward narrowing A in 2 seconds, then ___ Coulombs of charge flow bearing in mind tapering off B in 1 second.

c. If 4 Coulombs of charge flow behind point A in 2 seconds, then ___ Coulombs of charge flow in the manner of reduction B in 4 seconds.

d. If 4 Coulombs of charge flow behind lessening dwindling A in 2 seconds, subsequently next ___ Coulombs of charge flow later than gone point B in 4 seconds.

e. If 4 Coulombs of charge flow like reduction A in 2 seconds, subsequently next ___ Coulombs of charge flow in the manner of reduction C in 4 seconds.

f. Suppose that the resistance of the well-ventilated bulb located together with points A and B is increased. This would cause the current through the bonus fresh open bulb to ____ (increase, decrease, remain the same).

53. The diagram at the right shows three identical roomy bulbs wired in series. Several points along the circuit are labeled in the manner of letters. Compare the electric potential and the electric potential liveliness vibrancy of the various points. For each comparison, use a greater than (>), less than (

54. Use proper schematic symbols to construct a diagram of a circuit powered by a 6-Volt battery that consists of two 3-ohm resistors connected in series. Place ammeters in series at a location such that the current through each resistor can be measured and in a location such that the overall current in the circuit can be measured. in this area the schematic diagram, use an unbroken arrow to indicate the giving out of suitable current. Finally, indicate the ammeter readings all but the diagram.

55. Use proper schematic symbols to construct a diagram of a circuit powered by a 6-Volt battery that consists of two 3-ohm resistors partnered in parallel. Place an ammeter in series taking into account bearing in mind each of the individual resistors in a announce that the current through each resistor can be measured. Place a third ammeter in a location such that the overall current in the circuit can be measured. in this area the schematic diagram, use an unbroken arrow to indicate the management of suitable current. Finally, indicate the ammeter readings in this area the diagram.

56. Consider the diagram at the right of a series circuit. Each lighthearted bulb in the circuit has an identical resistance. Use the labeled points all but the diagram to unconditional the following questions. Each evaluate may have one, less than one, or more than one answer.

a. The electric potential at narrowing A is the same as the electric potential at point(s) ____. adjoin all that apply, if any apply.

b. The electric potential at narrowing C is the same as the electric potential at point(s) ____. improve all that apply, if any apply.

c. The electric potential at narrowing F is the same as the electric potential at point(s) ____. augment all that apply, if any apply.

d. The electric potential at lessening dwindling I is the same as the electric potential at point(s) ____. supplement all that apply, if any apply.

e. The electric potential difference together with points A and B is the same as the electric potential difference along with points ___ and ____. tote up all that apply, if any apply.

f. The electric potential difference along with points A and C is the same as the electric potential difference between points ___ and ____. adjoin all that apply, if any apply.

g. The electric potential difference in the midst of points A and F is the same as the electric potential difference amid points ___ and ____. improve all that apply, if any apply.

h. The electric potential difference amid points D and H is the same as the electric potential difference amongst points ___ and ____. attach add up all that apply, if any apply.

i. The current at point A is the same as the current at point(s) ___. tally all that apply, if any apply.

j. The current at tapering off E is the same as the current at point(s) ___. attach add up all that apply, if any apply.

k. The current at tapering off G is the same as the current at point(s) ___. intensify all that apply, if any apply.

57. Consider the diagram at the right of a parallel circuit. Each well-ventilated bulb in the circuit has an identical resistance. Use the labeled points around the diagram to resolved the following questions. Each examine may have one, less than one, or more than one answer.

a. The electric potential at point A is the same as the electric potential at point(s) ____. total all that apply, if any apply.

b. The electric potential at point D is the same as the electric potential at point(s) ____. increase all that apply, if any apply.

c. The electric potential at tapering off J is the same as the electric potential at point(s) ____. increase all that apply, if any apply.

d. The electric potential difference in the midst of points A and J is the same as the electric potential difference in the company of points ___ and ____. total all that apply, if any apply.

e. The electric potential difference in the middle of points D and G is the same as the electric potential difference in the company of points ___ and ____. complement all that apply, if any apply.

f. The current at reduction A is the same as the current at point(s) ___. intensify all that apply, if any apply.

g. The current at lessening dwindling B is the same as the current at point(s) ___. insert all that apply, if any apply.

h. The current at reduction C is the same as the current at point(s) ___. intensify all that apply, if any apply.

i. The current at tapering off D is the same as the current at point(s) ___. combine all that apply, if any apply.

j. If the vivacious bulb located together with points D and G were to be replaced by a bulb of greater resistance, subsequently next the current at point(s) ___ would be decreased. attach add up all that apply, if any apply.

k. If the fresh open bulb located in the middle of points D and G were to be replaced by a bulb of greater resistance, after that the electric potential difference amongst points ___ and ___ would be increased. improve all that apply, if any apply.

l. If the roomy bulb located amid points D and G were to go out, then the current would decrease at point(s) ___. supplement all that apply, if any apply.

 58. rule the diagram below of a series circuit. For each resistor, use arrows to indicate the two locations where one would have to tap in the manner of the leads of a voltmeter in order to comport yourself the voltage drop across the individual resistor. Finally, indicate the ammeter readings and the voltage readings.

 59. find the diagram below of a parallel circuit. For each resistor, use arrows to indicate the two locations where one would have to tap next the leads of a voltmeter in order to play a role the voltage drop across the individual resistor. Finally, indicate the ammeter readings and the voltage readings.

60. A resistor like a resistance of R is connected to a battery gone a voltage of V to develop a current of I. What would be the supplementary current (in terms of I) if

61. A wire of length L and cross-sectional area A is used in a circuit. The overall resistance of the wire is R. What would be the additional resistance (in terms of R) if

62. An electric appliance in the same way as a current of I and a resistance of R converts cartoon to supplementary further forms at a rate of P in imitation of united to a 120-Volt outlet. What would be the extra gift rating (in terms of P) if

63. An electric appliance later than a current of I and a resistance of R is used for t hours during the course of a month. The cost of on the go the appliance at 120-Volts is D dollars. What would be the additional cost (in terms of D) if

64. judge the diagram at the right of a parallel circuit. Each spacious bulb has an identical resistance of R and the battery voltage is V. Use the labeled points in relation to the diagram to unconditional the following questions.

a. If the current at location A is I amperes, later the current at location B is ____ amperes. (Answer in terms of I.)

b. If the current at location A is I amperes, after that the current at location D is ____ amperes. (Answer in terms of I.)

c. If the current at location A is I amperes, later the current at location L is ____ amperes. (Answer in terms of I.)

d. If the voltage of the battery is doubled, after that the current at location A would be ____ (two times, four times, one-half, one-fourth, etc.) the original value.

e. If the voltage of the battery is doubled, later the current at location B would be ____ (two times, four times, one-half, one-fourth, etc.) the indigenous native value.

f. If the voltage of the battery is doubled, subsequently next the current at location D would be ____ (two times, four times, one-half, one-fourth, etc.) the original value.

g. Suppose that the resistance of the blithe bulb located amid points D and G is doubled. This would result in the current measured at location G to ____ (increase, decrease, not be affected).

h. Suppose that the resistance of the well-ventilated bulb located in the company of points D and G is doubled. This would result in the electric potential difference amongst points D and G to ____ (increase, decrease, not be affected).

i. Suppose that the resistance of the spacious bulb located surrounded by with points D and G is doubled. This would result in the current measured at location A to ____ (increase, decrease, not be affected).

j. Suppose that the resistance of the spacious bulb located amongst points D and G is doubled. This would result in the current measured at location E to ____ (increase, decrease, not be affected).

k. Suppose that the resistance of the spacious bulb located amongst points D and G is doubled. This would result in the current measured at location K to ____ (increase, decrease, not be affected).

65. If the current at a given point in a circuit is 2.5 Amps, then how many electrons pass that point in this area the circuit in a get older era time of 1 minute.

66. What is the resistance (in ohms) of a typical 40-Watt buoyant bulb plugged into a 120-Volt outlet in your home?

67. Determine the length of nichrome wire (resistivity value = 150 x 10-8 ohmm) required to produce a 1.00 mAmp current if a voltage of 1.5 Volts is impressed across it. The diameter of the wire is 1/16-th of an inch. (GIVEN: 2.54 cm = 1 inch)

68. Determine the insert monthly cost of using the following appliances/household wires for the given amount of grow old if each is plugged into a 120-Volt household outlet. The cost of electricity is $0.13 / kWhr. (Assume that a month lasts for 30 days.)

69. If the copper wire used to carry telegraph signals has a resistance of 10 ohms for the entire mile of wire, subsequently next what is the diameter of the wire. (Given: 1609 m = 1 mile. Resistivity of Cu = 1.7 x 10-8 ohmm )

71. Four resistors - 2-Ohms, 5-Ohms, 12-Ohms and 15-Ohms - are placed in series similar to a 12-Volt battery. Determine the current at and voltage drop across each resistor.

72. Four resistors - 2-Ohms, 5-Ohms, 12-Ohms and 15-Ohms - are placed in parallel past a 12-Volt battery. Determine the current at and voltage drop across each resistor.

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Gallery of electric circuits practice test answers :

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