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Parallel Circuits

Parallel Circuits
Five 100 resistors are connected in parallel. If one resistor is removed, the total resistance is

500
20
25
100

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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

200 mA
1.24 A
900 mA
540 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

60 mA
31.25 mA
15 mA
135 mA

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Parallel Circuits
The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is

4.8 W
12 W
0.3 W
1.2 W

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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

12 mA
48 mA
3 mA
0 A

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Parallel Circuits
A sudden increase in the total current into a parallel circuit may indicate

either a drop in source voltage or an open resistor
an open resistor
a drop in source voltage
an increase in source voltage

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