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Parallel Circuits

Parallel Circuits
If one of the resistors in a parallel circuit is removed, the total resistance

doubles
decreases
remains the same
increases

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

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

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Parallel Circuits
A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 k. The current through each bulb is approximately

610 mA
61 mA
18 mA
110 mA

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Parallel Circuits
Six resistors are in parallel. The two lowest-value resistors are both 1.2 k. The total resistance

is less than 600
is less than 1.2 k
is greater than 1.2 k
is less than 6 k

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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

540 mA
900 mA
200 mA
1.24 A

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Parallel Circuits
In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that

R1 is open
the circuit is operating properly
R3 is open
R2 is open

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