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RC Circuits
Point +4 on the complex plane is
4 units left of the origin on the real axis
4 units below the origin on the j axis
4 units above the origin on the j axis
4 units right of the origin on the real axis
4 units left of the origin on the real axis
4 units below the origin on the j axis
4 units above the origin on the j axis
4 units right of the origin on the real axis
Answer
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Related Question
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
275 W
195.2 W
19.52 W
25 W
275 W
195.2 W
19.52 W
Answer
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RC Circuits
The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency
must be increased
must be decreased
has no effect
is held constant
must be increased
must be decreased
has no effect
is held constant
Answer
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RC Circuits
When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
decreases
remains the same
doubles
increases
decreases
remains the same
doubles
increases
Answer
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RC Circuits
An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist:
R > XC
R < XC
R = 5XC
R = XC
R > XC
R < XC
R = 5XC
R = XC
Answer
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RC Circuits
The complex number 40 angle 55° is equivalent to
55 + j55
22.94 + j32.76
45.88 + j65.52
40 + j40
55 + j55
22.94 + j32.76
45.88 + j65.52
40 + j40
Answer
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