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Electrical Engineering · all questions

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

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

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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

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A parallel circuit acts as a current divider.

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The number of current paths equals the number of resistors in parallel.

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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

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

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Parallel resistors are connected between the same two points.

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

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

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Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance

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The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω resistor that makes up part of the parallel circuit is approximately

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

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Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately

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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

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The sum of the currents into a junction is equal to the sum of the currents out of that junction.

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