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Parallel Circuits

Parallel Circuits
Three 47 resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately

780 mA
47 mA
7.06 A
2.3 A

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Parallel Circuits
In a five-branch 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

48 mA
12 mA
0 A
3 mA

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Parallel Circuits
The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is

1.24 A
540 mA
200 mA
900 mA

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Parallel Circuits
When an additional resistor is connected across an existing parallel circuit, the total resistance

increases by the value of the added resistor
decreases by the value of the added resistor
remains the same
decreases

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Parallel Circuits
The total resistance of a parallel circuit is 50 . If the total current is 120 mA, the current through the 270 resistor that makes up part of the parallel circuit is approximately

22 mA
120 mA
220 mA
50 mA

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Parallel Circuits
Four 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

15 mA
31.25 mA
60 mA
135 mA

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