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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

47 mA
2.3 A
7.06 A
780 mA

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Parallel Circuits
The following resistors are in parallel across a voltage source: 220 , 470 , and 560 . The resistor with the least current is

impossible to determine without knowing the voltage
560
220
470

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Parallel Circuits
There 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

490 mA
0 A
800 mA
310 mA

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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
R2 is open
R3 is open
the circuit is operating properly

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

20
500
100
25

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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
135 mA
60 mA
31.25 mA

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