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RC Circuits

RC Circuits
What is the value of the hypotenuse of a right triangle whose sides are 12 and 18?

2.16
3.46
21.63
4.24

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RC Circuits
For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is

25 W
195.2 W
275 W
19.52 W

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RC Circuits
The complex number 40 angle 55° is equivalent to

55 + j55
40 + j40
45.88 + j65.52
22.94 + j32.76

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RC Circuits
In the complex plane, the number 14 – j5 is located in the

fourth quadrant
first quadrant
second quadrant
third quadrant

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RC Circuits
When the frequency of the source voltage decreases, the impedance of a parallel RC circuit

increases
decreases
does not change
decreases to zero

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RC Circuits
In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is

282 mA
141 mA
100 mA
200 mA

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