The Following Section consists of Multiple Choice Questions on Voltage and Current.
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Parallel Circuits MCQ 1
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Question 1 of 13
1. Question
1 pointsThe currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is
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Question 2 of 13
2. Question
1 pointsWhen an additional resistor is connected across an existing parallel circuit, the total resistance
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Question 3 of 13
3. Question
1 pointsIf there are a total of 120 mA into a parallel circuit consisting of three branches, and two of the branch currents are 40 mA and 10 mA, the third branch current is
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Question 4 of 13
4. Question
1 pointsThree lights are connected in parallel across a 120 volt source. If one light burns out,
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Question 5 of 13
5. Question
1 pointsThe power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is
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Question 6 of 13
6. Question
1 pointsThe power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is
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Question 7 of 13
7. Question
1 pointsIn a certain threebranch parallel circuit, R_{1} has 12 mA through it, R_{2} has 15 mA through it, and R_{3} has 25 mA through it. After measuring a total of 27 mA, you can say that
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Question 8 of 13
8. Question
1 pointsA sudden increase in the total current into a parallel circuit may indicate
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Question 9 of 13
9. Question
1 pointsThe following currents are measured in the same direction in a threebranch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is
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Question 10 of 13
10. Question
1 pointsThere is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is
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Question 11 of 13
11. Question
1 pointsFour resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is
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Question 12 of 13
12. Question
1 pointsIf one of the resistors in a parallel circuit is removed, the total resistance
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Question 13 of 13
13. Question
1 pointsIn a fivebranch parallel circuit, there are 12 mA of current in each branch. If one of the branches opens, the current in each of the other four branches is
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Parallel Circuits MCQ
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Question 1 of 15
1. Question
1 pointsWhen parallel resistors are of three different values, which has the greatest power loss?
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Question 2 of 15
2. Question
1 pointsWhat is the productoversum result of 150 and 6800?
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Question 3 of 15
3. Question
1 pointsThe voltage across any branch of a parallel circuit:
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Question 4 of 15
4. Question
1 pointsWhat happens to total resistance in a circuit with parallel resistors if one of them opens?
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Question 5 of 15
5. Question
1 pointsComponents that connect in parallel form:
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Question 6 of 15
6. Question
1 pointsA parallel circuit differs from a series circuit in that a parallel circuit has
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Question 7 of 15
7. Question
1 pointsIf two parallelconnected resistors dissipate 6 watts and 10 watts of power, then what is the total power loss?
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Question 8 of 15
8. Question
1 pointsWhat are the individual values of two parallel resistors whose RT is 8 ohms, when one has double the resistance of the other?
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Question 9 of 15
9. Question
1 pointsIn a parallel resistive circuit:
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Question 10 of 15
10. Question
1 pointsKirchhoff’s current law for parallel circuits states that the:
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Question 11 of 15
11. Question
1 pointsIf 550 mA of current leaves a node that had 250 mA entering from one branch, how much current would enter from the other?
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Question 12 of 15
12. Question
1 pointsWhat procedure should be followed when troubleshooting with an ammeter or voltmeter?
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Question 13 of 15
13. Question
1 pointsA parallel circuit is also used as a divider for:
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Question 14 of 15
14. Question
1 pointsWhich are the better test devices used to isolate a suspected open component within a parallel circuit?
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Question 15 of 15
15. Question
1 pointsWhich is considered to be the common reference for a parallel circuit?
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