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Parallel Circuits

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

12 W
1.2 W
0.3 W
4.8 W

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Parallel Circuits
Four equal-value resistors are connected in parallel. Ten volts are applied across the parallel circuit and 2 mA are measured from the source. The value of each resistor is

20 K
12.5
200
50

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

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

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

9.09 A
137 mA
2.2 A
1.8 A

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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

220 mA
120 mA
50 mA
22 mA

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Parallel Circuits
Three lights are connected in parallel across a 120 volt source. If one light burns out,

the remaining two will glow with the same brightness as before
the remaining two will glow dimmer
the remaining two will not light
the remaining two will glow brighter

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