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Parallel Circuits

Parallel Circuits
A 470 resistor, a 220 resistor, and a 100 resistor are all in parallel. The total resistance is approximately

470
30
60
790

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

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

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Parallel Circuits
When a 1.6 k resistor and a 120 resistor are connected in parallel, the total resistance is

greater than 1.6 k
less than 120 but greater than 100
less than 100
greater than 120 but less than 1.6 k

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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

120 mA
220 mA
50 mA
22 mA

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

2.3 A
780 mA
7.06 A
47 mA

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Parallel Circuits
If 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

40 mA
50 mA
70 mA
120 mA

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