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Parallel Circuits
Parallel Circuits
When a 1.6 k resistor and a 120 resistor are connected in parallel, the total resistance is
greater than 120 but less than 1.6 k
less than 100
greater than 1.6 k
less than 120 but greater than 100
greater than 120 but less than 1.6 k
less than 100
greater than 1.6 k
less than 120 but greater than 100
Answer
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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
remains the same
decreases by the value of the added resistor
increases by the value of the added resistor
decreases
remains the same
decreases by the value of the added resistor
Answer
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Parallel Circuits
The currents into a junction flow along two paths. One current is 4 A and the other is 3 A. The total current out of the junction is
the larger of the two
unknown
1 A
7 A
the larger of the two
unknown
1 A
7 A
Answer
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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
120 mA
220 mA
50 mA
22 mA
Answer
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Parallel Circuits
An ammeter has an internal resistance of 50 . The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately
55
50
9
5.5
55
50
9
5.5
Answer
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